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SubjectRe: Linux 4.1.16
diff --git a/Makefile b/Makefile
index cf35f6bcffd8..7609f1dcdcb9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 1
-SUBLEVEL = 15
+SUBLEVEL = 16
EXTRAVERSION =
NAME = Series 4800

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index f8319a0860fd..39be5acc9c48 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -115,6 +115,13 @@ enum tpm2_startup_types {
TPM2_SU_STATE = 0x0001,
};

+enum tpm2_start_method {
+ TPM2_START_ACPI = 2,
+ TPM2_START_FIFO = 6,
+ TPM2_START_CRB = 7,
+ TPM2_START_CRB_WITH_ACPI = 8,
+};
+
struct tpm_chip;

struct tpm_vendor_specific {
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 1267322595da..2b971b3e5c1c 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -34,12 +34,6 @@ enum crb_defaults {
CRB_ACPI_START_INDEX = 1,
};

-enum crb_start_method {
- CRB_SM_ACPI_START = 2,
- CRB_SM_CRB = 7,
- CRB_SM_CRB_WITH_ACPI_START = 8,
-};
-
struct acpi_tpm2 {
struct acpi_table_header hdr;
u16 platform_class;
@@ -220,12 +214,6 @@ static int crb_acpi_add(struct acpi_device *device)
u64 pa;
int rc;

- chip = tpmm_chip_alloc(dev, &tpm_crb);
- if (IS_ERR(chip))
- return PTR_ERR(chip);
-
- chip->flags = TPM_CHIP_FLAG_TPM2;
-
status = acpi_get_table(ACPI_SIG_TPM2, 1,
(struct acpi_table_header **) &buf);
if (ACPI_FAILURE(status)) {
@@ -233,13 +221,15 @@ static int crb_acpi_add(struct acpi_device *device)
return -ENODEV;
}

- /* At least some versions of AMI BIOS have a bug that TPM2 table has
- * zero address for the control area and therefore we must fail.
- */
- if (!buf->control_area_pa) {
- dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n");
- return -EINVAL;
- }
+ /* Should the FIFO driver handle this? */
+ if (buf->start_method == TPM2_START_FIFO)
+ return -ENODEV;
+
+ chip = tpmm_chip_alloc(dev, &tpm_crb);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ chip->flags = TPM_CHIP_FLAG_TPM2;

if (buf->hdr.length < sizeof(struct acpi_tpm2)) {
dev_err(dev, "TPM2 ACPI table has wrong size");
@@ -259,11 +249,11 @@ static int crb_acpi_add(struct acpi_device *device)
* report only ACPI start but in practice seems to require both
* ACPI start and CRB start.
*/
- if (sm == CRB_SM_CRB || sm == CRB_SM_CRB_WITH_ACPI_START ||
+ if (sm == TPM2_START_CRB || sm == TPM2_START_FIFO ||
!strcmp(acpi_device_hid(device), "MSFT0101"))
priv->flags |= CRB_FL_CRB_START;

- if (sm == CRB_SM_ACPI_START || sm == CRB_SM_CRB_WITH_ACPI_START)
+ if (sm == TPM2_START_ACPI || sm == TPM2_START_CRB_WITH_ACPI)
priv->flags |= CRB_FL_ACPI_START;

priv->cca = (struct crb_control_area __iomem *)
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index f2dffa770b8e..696ef1d56b4f 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2005, 2006 IBM Corporation
- * Copyright (C) 2014 Intel Corporation
+ * Copyright (C) 2014, 2015 Intel Corporation
*
* Authors:
* Leendert van Doorn <leendert@watson.ibm.com>
@@ -28,6 +28,7 @@
#include <linux/wait.h>
#include <linux/acpi.h>
#include <linux/freezer.h>
+#include <acpi/actbl2.h>
#include "tpm.h"

enum tis_access {
@@ -65,6 +66,17 @@ enum tis_defaults {
TIS_LONG_TIMEOUT = 2000, /* 2 sec */
};

+struct tpm_info {
+ unsigned long start;
+ unsigned long len;
+ unsigned int irq;
+};
+
+static struct tpm_info tis_default_info = {
+ .start = TIS_MEM_BASE,
+ .len = TIS_MEM_LEN,
+ .irq = 0,
+};

/* Some timeout values are needed before it is known whether the chip is
* TPM 1.0 or TPM 2.0.
@@ -91,26 +103,54 @@ struct priv_data {
};

#if defined(CONFIG_PNP) && defined(CONFIG_ACPI)
-static int is_itpm(struct pnp_dev *dev)
+static int has_hid(struct acpi_device *dev, const char *hid)
{
- struct acpi_device *acpi = pnp_acpi_device(dev);
struct acpi_hardware_id *id;

- if (!acpi)
- return 0;
-
- list_for_each_entry(id, &acpi->pnp.ids, list) {
- if (!strcmp("INTC0102", id->id))
+ list_for_each_entry(id, &dev->pnp.ids, list)
+ if (!strcmp(hid, id->id))
return 1;
- }

return 0;
}
+
+static inline int is_itpm(struct acpi_device *dev)
+{
+ return has_hid(dev, "INTC0102");
+}
+
+static inline int is_fifo(struct acpi_device *dev)
+{
+ struct acpi_table_tpm2 *tbl;
+ acpi_status st;
+
+ /* TPM 1.2 FIFO */
+ if (!has_hid(dev, "MSFT0101"))
+ return 1;
+
+ st = acpi_get_table(ACPI_SIG_TPM2, 1,
+ (struct acpi_table_header **) &tbl);
+ if (ACPI_FAILURE(st)) {
+ dev_err(&dev->dev, "failed to get TPM2 ACPI table\n");
+ return 0;
+ }
+
+ if (le32_to_cpu(tbl->start_method) != TPM2_START_FIFO)
+ return 0;
+
+ /* TPM 2.0 FIFO */
+ return 1;
+}
#else
-static inline int is_itpm(struct pnp_dev *dev)
+static inline int is_itpm(struct acpi_device *dev)
{
return 0;
}
+
+static inline int is_fifo(struct acpi_device *dev)
+{
+ return 1;
+}
#endif

/* Before we attempt to access the TPM we must see that the valid bit is set.
@@ -600,9 +640,8 @@ static void tpm_tis_remove(struct tpm_chip *chip)
release_locality(chip, chip->vendor.locality, 1);
}

-static int tpm_tis_init(struct device *dev, acpi_handle acpi_dev_handle,
- resource_size_t start, resource_size_t len,
- unsigned int irq)
+static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
+ acpi_handle acpi_dev_handle)
{
u32 vendor, intfcaps, intmask;
int rc, i, irq_s, irq_e, probe;
@@ -622,7 +661,7 @@ static int tpm_tis_init(struct device *dev, acpi_handle acpi_dev_handle,
chip->acpi_dev_handle = acpi_dev_handle;
#endif

- chip->vendor.iobase = devm_ioremap(dev, start, len);
+ chip->vendor.iobase = devm_ioremap(dev, tpm_info->start, tpm_info->len);
if (!chip->vendor.iobase)
return -EIO;

@@ -707,7 +746,7 @@ static int tpm_tis_init(struct device *dev, acpi_handle acpi_dev_handle,
chip->vendor.iobase +
TPM_INT_ENABLE(chip->vendor.locality));
if (interrupts)
- chip->vendor.irq = irq;
+ chip->vendor.irq = tpm_info->irq;
if (interrupts && !chip->vendor.irq) {
irq_s =
ioread8(chip->vendor.iobase +
@@ -890,27 +929,27 @@ static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume);
static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
const struct pnp_device_id *pnp_id)
{
- resource_size_t start, len;
- unsigned int irq = 0;
+ struct tpm_info tpm_info = tis_default_info;
acpi_handle acpi_dev_handle = NULL;

- start = pnp_mem_start(pnp_dev, 0);
- len = pnp_mem_len(pnp_dev, 0);
+ tpm_info.start = pnp_mem_start(pnp_dev, 0);
+ tpm_info.len = pnp_mem_len(pnp_dev, 0);

if (pnp_irq_valid(pnp_dev, 0))
- irq = pnp_irq(pnp_dev, 0);
+ tpm_info.irq = pnp_irq(pnp_dev, 0);
else
interrupts = false;

- if (is_itpm(pnp_dev))
- itpm = true;
-
#ifdef CONFIG_ACPI
- if (pnp_acpi_device(pnp_dev))
+ if (pnp_acpi_device(pnp_dev)) {
+ if (is_itpm(pnp_acpi_device(pnp_dev)))
+ itpm = true;
+
acpi_dev_handle = pnp_acpi_device(pnp_dev)->handle;
+ }
#endif

- return tpm_tis_init(&pnp_dev->dev, acpi_dev_handle, start, len, irq);
+ return tpm_tis_init(&pnp_dev->dev, &tpm_info, acpi_dev_handle);
}

static struct pnp_device_id tpm_pnp_tbl[] = {
@@ -930,6 +969,7 @@ MODULE_DEVICE_TABLE(pnp, tpm_pnp_tbl);
static void tpm_tis_pnp_remove(struct pnp_dev *dev)
{
struct tpm_chip *chip = pnp_get_drvdata(dev);
+
tpm_chip_unregister(chip);
tpm_tis_remove(chip);
}
@@ -950,6 +990,79 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
#endif

+#ifdef CONFIG_ACPI
+static int tpm_check_resource(struct acpi_resource *ares, void *data)
+{
+ struct tpm_info *tpm_info = (struct tpm_info *) data;
+ struct resource res;
+
+ if (acpi_dev_resource_interrupt(ares, 0, &res)) {
+ tpm_info->irq = res.start;
+ } else if (acpi_dev_resource_memory(ares, &res)) {
+ tpm_info->start = res.start;
+ tpm_info->len = resource_size(&res);
+ }
+
+ return 1;
+}
+
+static int tpm_tis_acpi_init(struct acpi_device *acpi_dev)
+{
+ struct list_head resources;
+ struct tpm_info tpm_info = tis_default_info;
+ int ret;
+
+ if (!is_fifo(acpi_dev))
+ return -ENODEV;
+
+ INIT_LIST_HEAD(&resources);
+ ret = acpi_dev_get_resources(acpi_dev, &resources, tpm_check_resource,
+ &tpm_info);
+ if (ret < 0)
+ return ret;
+
+ acpi_dev_free_resource_list(&resources);
+
+ if (!tpm_info.irq)
+ interrupts = false;
+
+ if (is_itpm(acpi_dev))
+ itpm = true;
+
+ return tpm_tis_init(&acpi_dev->dev, &tpm_info, acpi_dev->handle);
+}
+
+static int tpm_tis_acpi_remove(struct acpi_device *dev)
+{
+ struct tpm_chip *chip = dev_get_drvdata(&dev->dev);
+
+ tpm_chip_unregister(chip);
+ tpm_tis_remove(chip);
+
+ return 0;
+}
+
+static struct acpi_device_id tpm_acpi_tbl[] = {
+ {"MSFT0101", 0}, /* TPM 2.0 */
+ /* Add new here */
+ {"", 0}, /* User Specified */
+ {"", 0} /* Terminator */
+};
+MODULE_DEVICE_TABLE(acpi, tpm_acpi_tbl);
+
+static struct acpi_driver tis_acpi_driver = {
+ .name = "tpm_tis",
+ .ids = tpm_acpi_tbl,
+ .ops = {
+ .add = tpm_tis_acpi_init,
+ .remove = tpm_tis_acpi_remove,
+ },
+ .drv = {
+ .pm = &tpm_tis_pm,
+ },
+};
+#endif
+
static struct platform_driver tis_drv = {
.driver = {
.name = "tpm_tis",
@@ -966,9 +1079,25 @@ static int __init init_tis(void)
{
int rc;
#ifdef CONFIG_PNP
- if (!force)
- return pnp_register_driver(&tis_pnp_driver);
+ if (!force) {
+ rc = pnp_register_driver(&tis_pnp_driver);
+ if (rc)
+ return rc;
+ }
+#endif
+#ifdef CONFIG_ACPI
+ if (!force) {
+ rc = acpi_bus_register_driver(&tis_acpi_driver);
+ if (rc) {
+#ifdef CONFIG_PNP
+ pnp_unregister_driver(&tis_pnp_driver);
#endif
+ return rc;
+ }
+ }
+#endif
+ if (!force)
+ return 0;

rc = platform_driver_register(&tis_drv);
if (rc < 0)
@@ -978,7 +1107,7 @@ static int __init init_tis(void)
rc = PTR_ERR(pdev);
goto err_dev;
}
- rc = tpm_tis_init(&pdev->dev, NULL, TIS_MEM_BASE, TIS_MEM_LEN, 0);
+ rc = tpm_tis_init(&pdev->dev, &tis_default_info, NULL);
if (rc)
goto err_init;
return 0;
@@ -992,9 +1121,14 @@ err_dev:
static void __exit cleanup_tis(void)
{
struct tpm_chip *chip;
-#ifdef CONFIG_PNP
+#if defined(CONFIG_PNP) || defined(CONFIG_ACPI)
if (!force) {
+#ifdef CONFIG_ACPI
+ acpi_bus_unregister_driver(&tis_acpi_driver);
+#endif
+#ifdef CONFIG_PNP
pnp_unregister_driver(&tis_pnp_driver);
+#endif
return;
}
#endif
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 932bd1862f7a..6e9036a06515 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1014,13 +1014,12 @@ static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter)
sizeof(struct atl1c_recv_ret_status) * rx_desc_count +
8 * 4;

- ring_header->desc = pci_alloc_consistent(pdev, ring_header->size,
- &ring_header->dma);
+ ring_header->desc = dma_zalloc_coherent(&pdev->dev, ring_header->size,
+ &ring_header->dma, GFP_KERNEL);
if (unlikely(!ring_header->desc)) {
- dev_err(&pdev->dev, "pci_alloc_consistend failed\n");
+ dev_err(&pdev->dev, "could not get memory for DMA buffer\n");
goto err_nomem;
}
- memset(ring_header->desc, 0, ring_header->size);
/* init TPD ring */

tpd_ring[0].dma = roundup(ring_header->dma, 8);
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 6af028d5f9bc..97e4df9bf407 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -736,9 +736,8 @@ qcaspi_netdev_tx_timeout(struct net_device *dev)
netdev_info(qca->net_dev, "Transmit timeout at %ld, latency %ld\n",
jiffies, jiffies - dev->trans_start);
qca->net_dev->stats.tx_errors++;
- /* wake the queue if there is room */
- if (qcaspi_tx_ring_has_space(&qca->txr))
- netif_wake_queue(dev);
+ /* Trigger tx queue flush and QCA7000 reset */
+ qca->sync = QCASPI_SYNC_UNKNOWN;
}

static int
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 7fb244f565b2..13463c4acc86 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1481,6 +1481,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
if (mdp->cd->shift_rd0)
desc_status >>= 16;

+ skb = mdp->rx_skbuff[entry];
if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
RD_RFS5 | RD_RFS6 | RD_RFS10)) {
ndev->stats.rx_errors++;
@@ -1496,12 +1497,11 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
ndev->stats.rx_missed_errors++;
if (desc_status & RD_RFS10)
ndev->stats.rx_over_errors++;
- } else {
+ } else if (skb) {
if (!mdp->cd->hw_swap)
sh_eth_soft_swap(
phys_to_virt(ALIGN(rxdesc->addr, 4)),
pkt_len + 2);
- skb = mdp->rx_skbuff[entry];
mdp->rx_skbuff[entry] = NULL;
if (mdp->cd->rpadir)
skb_reserve(skb, NET_IP_ALIGN);
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index ab33262ed826..9c8fabed4444 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -568,6 +568,9 @@ static int pppoe_create(struct net *net, struct socket *sock)
sk->sk_family = PF_PPPOX;
sk->sk_protocol = PX_PROTO_OE;

+ INIT_WORK(&pppox_sk(sk)->proto.pppoe.padt_work,
+ pppoe_unbind_sock_work);
+
return 0;
}

@@ -632,8 +635,6 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,

lock_sock(sk);

- INIT_WORK(&po->proto.pppoe.padt_work, pppoe_unbind_sock_work);
-
error = -EINVAL;
if (sp->sa_protocol != PX_PROTO_OE)
goto end;
@@ -663,8 +664,13 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
po->pppoe_dev = NULL;
}

- memset(sk_pppox(po) + 1, 0,
- sizeof(struct pppox_sock) - sizeof(struct sock));
+ po->pppoe_ifindex = 0;
+ memset(&po->pppoe_pa, 0, sizeof(po->pppoe_pa));
+ memset(&po->pppoe_relay, 0, sizeof(po->pppoe_relay));
+ memset(&po->chan, 0, sizeof(po->chan));
+ po->next = NULL;
+ po->num = 0;
+
sk->sk_state = PPPOX_NONE;
}

diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index e3bfbd4d0136..0bacabfa486e 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -420,6 +420,9 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
struct pptp_opt *opt = &po->proto.pptp;
int error = 0;

+ if (sockaddr_len < sizeof(struct sockaddr_pppox))
+ return -EINVAL;
+
lock_sock(sk);

opt->src_addr = sp->sa_addr.pptp;
@@ -441,6 +444,9 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr,
struct flowi4 fl4;
int error = 0;

+ if (sockaddr_len < sizeof(struct sockaddr_pppox))
+ return -EINVAL;
+
if (sp->sa_protocol != PX_PROTO_PPTP)
return -EINVAL;

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index aafa1a1898e4..ce6fad1c43e6 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3006,17 +3006,6 @@ static int rtl8152_open(struct net_device *netdev)

mutex_lock(&tp->control);

- /* The WORK_ENABLE may be set when autoresume occurs */
- if (test_bit(WORK_ENABLE, &tp->flags)) {
- clear_bit(WORK_ENABLE, &tp->flags);
- usb_kill_urb(tp->intr_urb);
- cancel_delayed_work_sync(&tp->schedule);
-
- /* disable the tx/rx, if the workqueue has enabled them. */
- if (netif_carrier_ok(netdev))
- tp->rtl_ops.disable(tp);
- }
-
tp->rtl_ops.up(tp);

rtl8152_set_speed(tp, AUTONEG_ENABLE,
@@ -3063,12 +3052,6 @@ static int rtl8152_close(struct net_device *netdev)
} else {
mutex_lock(&tp->control);

- /* The autosuspend may have been enabled and wouldn't
- * be disable when autoresume occurs, because the
- * netif_running() would be false.
- */
- rtl_runtime_suspend_enable(tp, false);
-
tp->rtl_ops.down(tp);

mutex_unlock(&tp->control);
@@ -3369,7 +3352,7 @@ static int rtl8152_resume(struct usb_interface *intf)
netif_device_attach(tp->netdev);
}

- if (netif_running(tp->netdev)) {
+ if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) {
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
@@ -3387,6 +3370,8 @@ static int rtl8152_resume(struct usb_interface *intf)
}
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
} else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
+ if (tp->netdev->flags & IFF_UP)
+ rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
}

diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 93e54a0f471a..35882dd690a6 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -2764,6 +2764,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
ret = toshiba_function_keys_get(dev, &special_functions);
dev->kbd_function_keys_supported = !ret;

+ dev->hotkey_event_type = 0;
if (toshiba_acpi_setup_keyboard(dev))
pr_info("Unable to activate hotkeys\n");

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index a086e1d69bc7..0fe15aec7ed0 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1848,6 +1848,11 @@ static const struct usb_device_id acm_ids[] = {
},
#endif

+ /* Exclude Infineon Flash Loader utility */
+ { USB_DEVICE(0x058b, 0x0041),
+ .driver_info = IGNORE_DEVICE,
+ },
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index b9ddf0c1ffe5..894894f2ff93 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -115,7 +115,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
USB_SS_MULT(desc->bmAttributes) > 3) {
dev_warn(ddev, "Isoc endpoint has Mult of %d in "
"config %d interface %d altsetting %d ep %d: "
- "setting to 3\n", desc->bmAttributes + 1,
+ "setting to 3\n",
+ USB_SS_MULT(desc->bmAttributes),
cfgno, inum, asnum, ep->desc.bEndpointAddress);
ep->ss_ep_comp.bmAttributes = 2;
}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 1e9a8c9aa531..d68c4a4db682 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -124,6 +124,10 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev)

int usb_device_supports_lpm(struct usb_device *udev)
{
+ /* Some devices have trouble with LPM */
+ if (udev->quirks & USB_QUIRK_NO_LPM)
+ return 0;
+
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
@@ -4493,6 +4497,8 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
goto fail;
}

+ usb_detect_quirks(udev);
+
if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) {
retval = usb_get_bos_descriptor(udev);
if (!retval) {
@@ -4691,7 +4697,6 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
if (status < 0)
goto loop;

- usb_detect_quirks(udev);
if (udev->quirks & USB_QUIRK_DELAY_INIT)
msleep(1000);

@@ -5307,9 +5312,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
if (udev->usb2_hw_lpm_enabled == 1)
usb_set_usb2_hardware_lpm(udev, 0);

- bos = udev->bos;
- udev->bos = NULL;
-
/* Disable LPM and LTM while we reset the device and reinstall the alt
* settings. Device-initiated LPM settings, and system exit latency
* settings are cleared when the device is reset, so we have to set
@@ -5318,15 +5320,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
ret = usb_unlocked_disable_lpm(udev);
if (ret) {
dev_err(&udev->dev, "%s Failed to disable LPM\n.", __func__);
- goto re_enumerate;
+ goto re_enumerate_no_bos;
}
ret = usb_disable_ltm(udev);
if (ret) {
dev_err(&udev->dev, "%s Failed to disable LTM\n.",
__func__);
- goto re_enumerate;
+ goto re_enumerate_no_bos;
}

+ bos = udev->bos;
+ udev->bos = NULL;
+
for (i = 0; i < SET_CONFIG_TRIES; ++i) {

/* ep0 maxpacket size may change; let the HCD know about it.
@@ -5423,10 +5428,11 @@ done:
return 0;

re_enumerate:
- /* LPM state doesn't matter when we're about to destroy the device. */
- hub_port_logical_disconnect(parent_hub, port1);
usb_release_bos_descriptor(udev);
udev->bos = bos;
+re_enumerate_no_bos:
+ /* LPM state doesn't matter when we're about to destroy the device. */
+ hub_port_logical_disconnect(parent_hub, port1);
return -ENODEV;
}

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index f5a381945db2..017c1de53aa5 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -199,6 +199,12 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },

+ /* Blackmagic Design Intensity Shuttle */
+ { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
+
+ /* Blackmagic Design UltraStudio SDI */
+ { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
+
{ } /* terminating entry must be last */
};

diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index b51226abade6..7a454708e948 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2535,6 +2535,9 @@ static int pxa_udc_suspend(struct platform_device *_dev, pm_message_t state)
udc->pullup_resume = udc->pullup_on;
dplus_pullup(udc, 0);

+ if (udc->driver)
+ udc->driver->disconnect(&udc->gadget);
+
return 0;
}

diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index dc31c425ce01..9f1c0538b211 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -377,6 +377,10 @@ static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_f
if (std->pl_virt == NULL)
return -ENOMEM;
std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) {
+ kfree(std->pl_virt);
+ return -EFAULT;
+ }

for (p = 0; p < std->num_pointers; p++) {
std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 39db8b603627..d1b9e0c7fb0d 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -147,7 +147,7 @@ config USB_TI_CPPI_DMA

config USB_TI_CPPI41_DMA
bool 'TI CPPI 4.1 (AM335x)'
- depends on ARCH_OMAP
+ depends on ARCH_OMAP && DMADEVICES
select TI_CPPI41

config USB_TUSB_OMAP_DMA
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eac7ccaa3c85..7d4f51a32e66 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -132,7 +132,6 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
- { USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 3658662898fc..a204782ae530 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -53,6 +53,7 @@ DEVICE(funsoft, FUNSOFT_IDS);

/* Infineon Flashloader driver */
#define FLASHLOADER_IDS() \
+ { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
{ USB_DEVICE(0x8087, 0x0716) }
DEVICE(flashloader, FLASHLOADER_IDS);

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 6d3122afeed3..75e4979e6c15 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -796,6 +796,10 @@ static int uas_slave_configure(struct scsi_device *sdev)
if (devinfo->flags & US_FL_NO_REPORT_OPCODES)
sdev->no_report_opcodes = 1;

+ /* A few buggy USB-ATA bridges don't understand FUA */
+ if (devinfo->flags & US_FL_BROKEN_FUA)
+ sdev->broken_fua = 1;
+
scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
return 0;
}
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 87898ca2ed17..4095824c8c6d 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1987,7 +1987,7 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201,
US_FL_IGNORE_RESIDUE ),

/* Reported by Michael Büsch <m@bues.ch> */
-UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0114,
+UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0116,
"JMicron",
"USB to ATA/ATAPI Bridge",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index c85ea530085f..ccc113e83d88 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -132,7 +132,7 @@ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
"JMicron",
"JMS567",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_REPORT_OPCODES),
+ US_FL_BROKEN_FUA | US_FL_NO_REPORT_OPCODES),

/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 9948c874e3f1..1d0043dc34e4 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -47,4 +47,7 @@
/* device generates spurious wakeup, ignore remote wakeup capability */
#define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9)

+/* device can't handle Link Power Management */
+#define USB_QUIRK_NO_LPM BIT(10)
+
#endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/net/dst.h b/include/net/dst.h
index 0fb99a26e973..182b812d45e1 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -312,6 +312,39 @@ static inline void skb_dst_force(struct sk_buff *skb)
}
}

+/**
+ * dst_hold_safe - Take a reference on a dst if possible
+ * @dst: pointer to dst entry
+ *
+ * This helper returns false if it could not safely
+ * take a reference on a dst.
+ */
+static inline bool dst_hold_safe(struct dst_entry *dst)
+{
+ if (dst->flags & DST_NOCACHE)
+ return atomic_inc_not_zero(&dst->__refcnt);
+ dst_hold(dst);
+ return true;
+}
+
+/**
+ * skb_dst_force_safe - makes sure skb dst is refcounted
+ * @skb: buffer
+ *
+ * If dst is not yet refcounted and not destroyed, grab a ref on it.
+ */
+static inline void skb_dst_force_safe(struct sk_buff *skb)
+{
+ if (skb_dst_is_noref(skb)) {
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (!dst_hold_safe(dst))
+ dst = NULL;
+
+ skb->_skb_refdst = (unsigned long)dst;
+ }
+}
+

/**
* __skb_tunnel_rx - prepare skb for rx reinsert
diff --git a/include/net/sock.h b/include/net/sock.h
index ed01a012f8d5..4c4b21c00828 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -386,6 +386,7 @@ struct sock {
sk_no_check_rx : 1,
sk_userlocks : 4,
sk_protocol : 8,
+#define SK_PROTOCOL_MAX U8_MAX
sk_type : 16;
kmemcheck_bitfield_end(flags);
int sk_wmem_queued;
@@ -722,6 +723,8 @@ enum sock_flags {
SOCK_SELECT_ERR_QUEUE, /* Wake select on error queue */
};

+#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
+
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
{
nsk->sk_flags = osk->sk_flags;
@@ -796,7 +799,7 @@ void sk_stream_write_space(struct sock *sk);
static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
{
/* dont let skb dst not refcounted, we are going to leave rcu lock */
- skb_dst_force(skb);
+ skb_dst_force_safe(skb);

if (!sk->sk_backlog.tail)
sk->sk_backlog.head = skb;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 0082b5d33d7d..7ef9272a405a 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -78,7 +78,7 @@ struct vxlanhdr {
};

/* VXLAN header flags. */
-#define VXLAN_HF_RCO BIT(24)
+#define VXLAN_HF_RCO BIT(21)
#define VXLAN_HF_VNI BIT(27)
#define VXLAN_HF_GBP BIT(31)

diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index cf910e48f8f2..5b17447efa8b 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -506,10 +506,11 @@ int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter)
if (!iter->walker)
return -ENOMEM;

- mutex_lock(&ht->mutex);
- iter->walker->tbl = rht_dereference(ht->tbl, ht);
+ spin_lock(&ht->lock);
+ iter->walker->tbl =
+ rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock));
list_add(&iter->walker->list, &iter->walker->tbl->walkers);
- mutex_unlock(&ht->mutex);
+ spin_unlock(&ht->lock);

return 0;
}
@@ -523,10 +524,10 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_init);
*/
void rhashtable_walk_exit(struct rhashtable_iter *iter)
{
- mutex_lock(&iter->ht->mutex);
+ spin_lock(&iter->ht->lock);
if (iter->walker->tbl)
list_del(&iter->walker->list);
- mutex_unlock(&iter->ht->mutex);
+ spin_unlock(&iter->ht->lock);
kfree(iter->walker);
}
EXPORT_SYMBOL_GPL(rhashtable_walk_exit);
@@ -550,14 +551,12 @@ int rhashtable_walk_start(struct rhashtable_iter *iter)
{
struct rhashtable *ht = iter->ht;

- mutex_lock(&ht->mutex);
+ rcu_read_lock();

+ spin_lock(&ht->lock);
if (iter->walker->tbl)
list_del(&iter->walker->list);
-
- rcu_read_lock();
-
- mutex_unlock(&ht->mutex);
+ spin_unlock(&ht->lock);

if (!iter->walker->tbl) {
iter->walker->tbl = rht_dereference_rcu(ht->tbl, ht);
@@ -730,9 +729,6 @@ int rhashtable_init(struct rhashtable *ht,
if (params->nulls_base && params->nulls_base < (1U << RHT_BASE_SHIFT))
return -EINVAL;

- if (params->nelem_hint)
- size = rounded_hashtable_size(params);
-
memset(ht, 0, sizeof(*ht));
mutex_init(&ht->mutex);
spin_lock_init(&ht->lock);
@@ -752,6 +748,9 @@ int rhashtable_init(struct rhashtable *ht,

ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE);

+ if (params->nelem_hint)
+ size = rounded_hashtable_size(&ht->p);
+
/* The maximum (not average) chain length grows with the
* size of the hash table, at a rate of (log N)/(log log N).
* The value of 16 is selected so that even if the hash
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 330c1f4a5a0b..a64884bbf0ce 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -806,6 +806,9 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol,
struct sock *sk;
ax25_cb *ax25;

+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 4322c833e748..8611bc7bdd32 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -520,6 +520,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;

+ if (addr_len < sizeof(struct sockaddr_sco))
+ return -EINVAL;
+
lock_sock(sk);

if (sk->sk_state != BT_OPEN) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 075d2e78c87e..2e5fcda16570 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3661,7 +3661,8 @@ static void __skb_complete_tx_timestamp(struct sk_buff *skb,
serr->ee.ee_info = tstype;
if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) {
serr->ee.ee_data = skb_shinfo(skb)->tskey;
- if (sk->sk_protocol == IPPROTO_TCP)
+ if (sk->sk_protocol == IPPROTO_TCP &&
+ sk->sk_type == SOCK_STREAM)
serr->ee.ee_data -= sk->sk_tskey;
}

@@ -4200,7 +4201,8 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
return NULL;
}

- memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
+ memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len - VLAN_HLEN,
+ 2 * ETH_ALEN);
skb->mac_header += VLAN_HLEN;
return skb;
}
diff --git a/net/core/sock.c b/net/core/sock.c
index dc30dc5bb1b8..47fc8bb3b946 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -421,8 +421,6 @@ static void sock_warn_obsolete_bsdism(const char *name)
}
}

-#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
-
static void sock_disable_timestamp(struct sock *sk, unsigned long flags)
{
if (sk->sk_flags & flags) {
@@ -861,7 +859,8 @@ set_rcvbuf:

if (val & SOF_TIMESTAMPING_OPT_ID &&
!(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)) {
- if (sk->sk_protocol == IPPROTO_TCP) {
+ if (sk->sk_protocol == IPPROTO_TCP &&
+ sk->sk_type == SOCK_STREAM) {
if (sk->sk_state != TCP_ESTABLISHED) {
ret = -EINVAL;
break;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 754484b3cd0e..2783c538ec19 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -678,6 +678,9 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
{
struct sock *sk;

+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index a5aa54ea6533..0cc98b135b8f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -259,6 +259,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;

+ if (protocol < 0 || protocol >= IPPROTO_MAX)
+ return -EINVAL;
+
sock->state = SS_UNCONNECTED;

/* Look for the requested type/protocol pair. */
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 34968cd5c146..4b67937692c9 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -24,6 +24,7 @@ struct fou {
u16 type;
struct udp_offload udp_offloads;
struct list_head list;
+ struct rcu_head rcu;
};

#define FOU_F_REMCSUM_NOPARTIAL BIT(0)
@@ -421,7 +422,7 @@ static void fou_release(struct fou *fou)
list_del(&fou->list);
udp_tunnel_sock_release(sock);

- kfree(fou);
+ kfree_rcu(fou, rcu);
}

static int fou_encap_init(struct sock *sk, struct fou *fou, struct fou_cfg *cfg)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 88203e755af8..cd18c3d3251e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1509,7 +1509,7 @@ bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
if (likely(sk->sk_rx_dst))
skb_dst_drop(skb);
else
- skb_dst_force(skb);
+ skb_dst_force_safe(skb);

__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
@@ -1714,8 +1714,7 @@ void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);

- if (dst) {
- dst_hold(dst);
+ if (dst && dst_hold_safe(dst)) {
sk->sk_rx_dst = dst;
inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 986440b24978..1ea4322c3b0c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3143,7 +3143,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_fastopen_request *fo = tp->fastopen_req;
- int syn_loss = 0, space, err = 0, copied;
+ int syn_loss = 0, space, err = 0;
unsigned long last_syn_loss = 0;
struct sk_buff *syn_data;

@@ -3181,17 +3181,18 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
goto fallback;
syn_data->ip_summed = CHECKSUM_PARTIAL;
memcpy(syn_data->cb, syn->cb, sizeof(syn->cb));
- copied = copy_from_iter(skb_put(syn_data, space), space,
- &fo->data->msg_iter);
- if (unlikely(!copied)) {
- kfree_skb(syn_data);
- goto fallback;
- }
- if (copied != space) {
- skb_trim(syn_data, copied);
- space = copied;
+ if (space) {
+ int copied = copy_from_iter(skb_put(syn_data, space), space,
+ &fo->data->msg_iter);
+ if (unlikely(!copied)) {
+ kfree_skb(syn_data);
+ goto fallback;
+ }
+ if (copied != space) {
+ skb_trim(syn_data, copied);
+ space = copied;
+ }
}
-
/* No more data pending in inet_wait_for_connect() */
if (space == fo->size)
fo->data = NULL;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index fd3aa6148dd1..a2d685030a34 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -343,6 +343,12 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
setup_timer(&ndev->rs_timer, addrconf_rs_timer,
(unsigned long)ndev);
memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));
+
+ if (ndev->cnf.stable_secret.initialized)
+ ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
+ else
+ ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64;
+
ndev->cnf.mtu6 = dev->mtu;
ndev->cnf.sysctl = NULL;
ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl);
@@ -2384,7 +2390,7 @@ ok:
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
if (in6_dev->cnf.optimistic_dad &&
!net->ipv6.devconf_all->forwarding && sllao)
- addr_flags = IFA_F_OPTIMISTIC;
+ addr_flags |= IFA_F_OPTIMISTIC;
#endif

/* Do not allow to create too much of autoconfigured
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 2d044d2a2ccf..bad62fa5e70f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -109,6 +109,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;

+ if (protocol < 0 || protocol >= IPPROTO_MAX)
+ return -EINVAL;
+
/* Look for the requested type/protocol pair. */
lookup_protocol:
err = -ESOCKTNOSUPPORT;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 69f4f689f06a..76be7d311cc4 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1553,13 +1553,11 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[],
return -EEXIST;
} else {
t = nt;
-
- ip6gre_tunnel_unlink(ign, t);
- ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
- ip6gre_tunnel_link(ign, t);
- netdev_state_change(dev);
}

+ ip6gre_tunnel_unlink(ign, t);
+ ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
+ ip6gre_tunnel_link(ign, t);
return 0;
}

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index cfb27f56c62f..c1938ad39f8c 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -93,10 +93,9 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);

- if (dst) {
+ if (dst && dst_hold_safe(dst)) {
const struct rt6_info *rt = (const struct rt6_info *)dst;

- dst_hold(dst);
sk->sk_rx_dst = dst;
inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
if (rt->rt6i_node)
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index ee0ea25c8e7a..9a1edcde4ba5 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1086,6 +1086,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol,
struct sock *sk;
struct irda_sock *self;

+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (net != &init_net)
return -EAFNOSUPPORT;

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d4b6f3682c14..68c599a5e1d1 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -950,7 +950,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
}
lockdep_set_class(qdisc_lock(sch), &qdisc_tx_lock);
if (!netif_is_multiqueue(dev))
- sch->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
+ sch->flags |= TCQ_F_ONETXQUEUE;
}

sch->handle = handle;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 0e4198ee2370..3267a5cbb3e8 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -634,6 +634,7 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
struct sock *newsk;
struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
struct sctp6_sock *newsctp6sk;
+ struct ipv6_txoptions *opt;

newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot);
if (!newsk)
@@ -653,6 +654,13 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,

memcpy(newnp, np, sizeof(struct ipv6_pinfo));

+ rcu_read_lock();
+ opt = rcu_dereference(np->opt);
+ if (opt)
+ opt = ipv6_dup_options(newsk, opt);
+ RCU_INIT_POINTER(newnp->opt, opt);
+ rcu_read_unlock();
+
/* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname()
* and getpeername().
*/
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 06320c8c1c86..83a07d468644 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1652,7 +1652,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,

/* Set an expiration time for the cookie. */
cookie->c.expiration = ktime_add(asoc->cookie_life,
- ktime_get());
+ ktime_get_real());

/* Copy the peer's init packet. */
memcpy(&cookie->c.peer_init[0], init_chunk->chunk_hdr,
@@ -1780,7 +1780,7 @@ no_hmac:
if (sock_flag(ep->base.sk, SOCK_TIMESTAMP))
kt = skb_get_ktime(skb);
else
- kt = ktime_get();
+ kt = ktime_get_real();

if (!asoc && ktime_before(bear_cookie->expiration, kt)) {
/*
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 66d796075050..a63c2c87a0c6 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7175,6 +7175,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newsk->sk_type = sk->sk_type;
newsk->sk_bound_dev_if = sk->sk_bound_dev_if;
newsk->sk_flags = sk->sk_flags;
+ newsk->sk_tsflags = sk->sk_tsflags;
newsk->sk_no_check_tx = sk->sk_no_check_tx;
newsk->sk_no_check_rx = sk->sk_no_check_rx;
newsk->sk_reuse = sk->sk_reuse;
@@ -7207,6 +7208,9 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newinet->mc_ttl = 1;
newinet->mc_index = 0;
newinet->mc_list = NULL;
+
+ if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)
+ net_enable_timestamp();
}

static inline void sctp_copy_descendant(struct sock *sk_to,
diff --git a/net/socket.c b/net/socket.c
index 884e32997698..dcbfa868e398 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1705,6 +1705,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
+ msg.msg_iocb = NULL;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 1975fd8d1c10..a398f624c28d 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2072,14 +2072,7 @@ static int unix_stream_recvmsg(struct socket *sock, struct msghdr *msg,

memset(&scm, 0, sizeof(scm));

- err = mutex_lock_interruptible(&u->readlock);
- if (unlikely(err)) {
- /* recvmsg() in non blocking mode is supposed to return -EAGAIN
- * sk_rcvtimeo is not honored by mutex_lock_interruptible()
- */
- err = noblock ? -EAGAIN : -ERESTARTSYS;
- goto out;
- }
+ mutex_lock(&u->readlock);

if (flags & MSG_PEEK)
skip = sk_peek_offset(sk, flags);
@@ -2120,12 +2113,12 @@ again:

timeo = unix_stream_data_wait(sk, timeo, last);

- if (signal_pending(current)
- || mutex_lock_interruptible(&u->readlock)) {
+ if (signal_pending(current)) {
err = sock_intr_errno(timeo);
goto out;
}

+ mutex_lock(&u->readlock);
continue;
unlock:
unix_state_unlock(sk);
diff --git a/security/keys/gc.c b/security/keys/gc.c
index c7952375ac53..addf060399e0 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -134,6 +134,12 @@ static noinline void key_gc_unused_keys(struct list_head *keys)
kdebug("- %u", key->serial);
key_check(key);

+ /* Throw away the key data if the key is instantiated */
+ if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags) &&
+ !test_bit(KEY_FLAG_NEGATIVE, &key->flags) &&
+ key->type->destroy)
+ key->type->destroy(key);
+
security_key_free(key);

/* deal with the user's key tracking and quota */
@@ -148,10 +154,6 @@ static noinline void key_gc_unused_keys(struct list_head *keys)
if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags))
atomic_dec(&key->user->nikeys);

- /* now throw away the key memory */
- if (key->type->destroy)
- key->type->destroy(key);
-
key_user_put(key->user);

kfree(key->description);
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 0b9ec78a7a7a..26f0e0a11ed6 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -757,16 +757,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)

/* the key is probably readable - now try to read it */
can_read_key:
- ret = key_validate(key);
- if (ret == 0) {
- ret = -EOPNOTSUPP;
- if (key->type->read) {
- /* read the data with the semaphore held (since we
- * might sleep) */
- down_read(&key->sem);
+ ret = -EOPNOTSUPP;
+ if (key->type->read) {
+ /* Read the data with the semaphore held (since we might sleep)
+ * to protect against the key being updated or revoked.
+ */
+ down_read(&key->sem);
+ ret = key_validate(key);
+ if (ret == 0)
ret = key->type->read(key, buffer, buflen);
- up_read(&key->sem);
- }
+ up_read(&key->sem);
}

error2:
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index bd536cb221e2..db91639c81e3 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -794,6 +794,7 @@ long join_session_keyring(const char *name)
ret = PTR_ERR(keyring);
goto error2;
} else if (keyring == new->session_keyring) {
+ key_put(keyring);
ret = 0;
goto error2;
}
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