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SubjectRe: Linux 5.0.13
diff --git a/Makefile b/Makefile
index fd044f594bbf..51a819544505 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 0
-SUBLEVEL = 12
+SUBLEVEL = 13
EXTRAVERSION =
NAME = Shy Crocodile

diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index dabfcf7c3941..7a0e64ccd6ff 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -381,6 +381,7 @@ struct kvm_sync_regs {
#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
+#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)

#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index f90b3a948291..a4bcac94392c 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -5407,7 +5407,7 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
return ret;

/* Empty 'VMXON' state is permitted */
- if (kvm_state->size < sizeof(kvm_state) + sizeof(*vmcs12))
+ if (kvm_state->size < sizeof(*kvm_state) + sizeof(*vmcs12))
return 0;

if (kvm_state->vmx.vmcs_pa != -1ull) {
@@ -5451,7 +5451,7 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
vmcs12->vmcs_link_pointer != -1ull) {
struct vmcs12 *shadow_vmcs12 = get_shadow_vmcs12(vcpu);

- if (kvm_state->size < sizeof(kvm_state) + 2 * sizeof(*vmcs12))
+ if (kvm_state->size < sizeof(*kvm_state) + 2 * sizeof(*vmcs12))
return -EINVAL;

if (copy_from_user(shadow_vmcs12,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8c9fb6453b2f..7e413ea19a9a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6536,6 +6536,12 @@ int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu,
}
EXPORT_SYMBOL_GPL(kvm_emulate_instruction_from_buffer);

+static int complete_fast_pio_out_port_0x7e(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.pio.count = 0;
+ return 1;
+}
+
static int complete_fast_pio_out(struct kvm_vcpu *vcpu)
{
vcpu->arch.pio.count = 0;
@@ -6552,12 +6558,23 @@ static int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size,
unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX);
int ret = emulator_pio_out_emulated(&vcpu->arch.emulate_ctxt,
size, port, &val, 1);
+ if (ret)
+ return ret;

- if (!ret) {
+ /*
+ * Workaround userspace that relies on old KVM behavior of %rip being
+ * incremented prior to exiting to userspace to handle "OUT 0x7e".
+ */
+ if (port == 0x7e &&
+ kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_OUT_7E_INC_RIP)) {
+ vcpu->arch.complete_userspace_io =
+ complete_fast_pio_out_port_0x7e;
+ kvm_skip_emulated_instruction(vcpu);
+ } else {
vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu);
vcpu->arch.complete_userspace_io = complete_fast_pio_out;
}
- return ret;
+ return 0;
}

static int complete_fast_pio_in(struct kvm_vcpu *vcpu)
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index e14663ab6dbc..8dd74700a2ef 100644
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -854,6 +854,9 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port,
fs->m_ext.data[1]))
return -EINVAL;

+ if (fs->location != RX_CLS_LOC_ANY && fs->location >= CFP_NUM_RULES)
+ return -EINVAL;
+
if (fs->location != RX_CLS_LOC_ANY &&
test_bit(fs->location, priv->cfp.used))
return -EBUSY;
@@ -942,6 +945,9 @@ static int bcm_sf2_cfp_rule_del(struct bcm_sf2_priv *priv, int port, u32 loc)
struct cfp_rule *rule;
int ret;

+ if (loc >= CFP_NUM_RULES)
+ return -EINVAL;
+
/* Refuse deleting unused rules, and those that are not unique since
* that could leave IPv6 rules with one of the chained rule in the
* table.
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 40ca339ec3df..c6ddbc0e084e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1621,7 +1621,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
netdev_warn(bp->dev, "RX buffer error %x\n", rx_err);
bnxt_sched_reset(bp, rxr);
}
- goto next_rx;
+ goto next_rx_no_len;
}

len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
@@ -1702,12 +1702,13 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
rc = 1;

next_rx:
- rxr->rx_prod = NEXT_RX(prod);
- rxr->rx_next_cons = NEXT_RX(cons);
-
cpr->rx_packets += 1;
cpr->rx_bytes += len;

+next_rx_no_len:
+ rxr->rx_prod = NEXT_RX(prod);
+ rxr->rx_next_cons = NEXT_RX(cons);
+
next_rx_no_prod_no_len:
*raw_cons = tmp_raw_cons;

@@ -5131,10 +5132,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
for (i = 0; i < bp->tx_nr_rings; i++) {
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
- u32 cmpl_ring_id;

- cmpl_ring_id = bnxt_cp_ring_for_tx(bp, txr);
if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+ u32 cmpl_ring_id = bnxt_cp_ring_for_tx(bp, txr);
+
hwrm_ring_free_send_msg(bp, ring,
RING_FREE_REQ_RING_TYPE_TX,
close_path ? cmpl_ring_id :
@@ -5147,10 +5148,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
struct bnxt_ring_struct *ring = &rxr->rx_ring_struct;
u32 grp_idx = rxr->bnapi->index;
- u32 cmpl_ring_id;

- cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr);
if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+ u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr);
+
hwrm_ring_free_send_msg(bp, ring,
RING_FREE_REQ_RING_TYPE_RX,
close_path ? cmpl_ring_id :
@@ -5169,10 +5170,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct;
u32 grp_idx = rxr->bnapi->index;
- u32 cmpl_ring_id;

- cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr);
if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+ u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr);
+
hwrm_ring_free_send_msg(bp, ring, type,
close_path ? cmpl_ring_id :
INVALID_HW_RING_ID);
@@ -5311,17 +5312,16 @@ __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
req->num_tx_rings = cpu_to_le16(tx_rings);
if (BNXT_NEW_RM(bp)) {
enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
+ enables |= stats ? FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
if (bp->flags & BNXT_FLAG_CHIP_P5) {
enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_MSIX : 0;
enables |= tx_rings + ring_grps ?
- FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
- FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+ FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0;
enables |= rx_rings ?
FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0;
} else {
enables |= cp_rings ?
- FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
- FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+ FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0;
enables |= ring_grps ?
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS |
FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0;
@@ -5361,14 +5361,13 @@ __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS |
FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0;
+ enables |= stats ? FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
if (bp->flags & BNXT_FLAG_CHIP_P5) {
enables |= tx_rings + ring_grps ?
- FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
- FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+ FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0;
} else {
enables |= cp_rings ?
- FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
- FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+ FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0;
enables |= ring_grps ?
FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
}
@@ -6745,6 +6744,7 @@ static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp)
struct hwrm_queue_pri2cos_qcfg_input req2 = {0};
struct hwrm_port_qstats_ext_input req = {0};
struct bnxt_pf_info *pf = &bp->pf;
+ u32 tx_stat_size;
int rc;

if (!(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
@@ -6754,13 +6754,16 @@ static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp)
req.port_id = cpu_to_le16(pf->port_id);
req.rx_stat_size = cpu_to_le16(sizeof(struct rx_port_stats_ext));
req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_ext_map);
- req.tx_stat_size = cpu_to_le16(sizeof(struct tx_port_stats_ext));
+ tx_stat_size = bp->hw_tx_port_stats_ext ?
+ sizeof(*bp->hw_tx_port_stats_ext) : 0;
+ req.tx_stat_size = cpu_to_le16(tx_stat_size);
req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_ext_map);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
bp->fw_rx_stats_ext_size = le16_to_cpu(resp->rx_stat_size) / 8;
- bp->fw_tx_stats_ext_size = le16_to_cpu(resp->tx_stat_size) / 8;
+ bp->fw_tx_stats_ext_size = tx_stat_size ?
+ le16_to_cpu(resp->tx_stat_size) / 8 : 0;
} else {
bp->fw_rx_stats_ext_size = 0;
bp->fw_tx_stats_ext_size = 0;
@@ -8889,8 +8892,15 @@ static int bnxt_cfg_rx_mode(struct bnxt *bp)

skip_uc:
rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
+ if (rc && vnic->mc_list_count) {
+ netdev_info(bp->dev, "Failed setting MC filters rc: %d, turning on ALL_MCAST mode\n",
+ rc);
+ vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+ vnic->mc_list_count = 0;
+ rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
+ }
if (rc)
- netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %x\n",
+ netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %d\n",
rc);

return rc;
@@ -10625,6 +10635,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
bnxt_clear_int_mode(bp);

init_err_pci_clean:
+ bnxt_free_hwrm_short_cmd_req(bp);
bnxt_free_hwrm_resources(bp);
bnxt_free_ctx_mem(bp);
kfree(bp->ctx);
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index abb7876a8776..66573a218df5 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -1494,9 +1494,10 @@ static int marvell_get_sset_count(struct phy_device *phydev)

static void marvell_get_strings(struct phy_device *phydev, u8 *data)
{
+ int count = marvell_get_sset_count(phydev);
int i;

- for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
+ for (i = 0; i < count; i++) {
strlcpy(data + i * ETH_GSTRING_LEN,
marvell_hw_stats[i].string, ETH_GSTRING_LEN);
}
@@ -1524,9 +1525,10 @@ static u64 marvell_get_stat(struct phy_device *phydev, int i)
static void marvell_get_stats(struct phy_device *phydev,
struct ethtool_stats *stats, u64 *data)
{
+ int count = marvell_get_sset_count(phydev);
int i;

- for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
+ for (i = 0; i < count; i++)
data[i] = marvell_get_stat(phydev, i);
}

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 49758490eaba..9560acc5f7da 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -5705,7 +5705,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
}

if (changed & BSS_CHANGED_MCAST_RATE &&
- !WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) {
+ !ath10k_mac_vif_chan(arvif->vif, &def)) {
band = def.chan->band;
rateidx = vif->bss_conf.mcast_rate[band] - 1;

@@ -5743,7 +5743,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
}

if (changed & BSS_CHANGED_BASIC_RATES) {
- if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) {
+ if (ath10k_mac_vif_chan(vif, &def)) {
mutex_unlock(&ar->conf_mutex);
return;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 33b0af24a537..d61ab3e80759 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -1482,6 +1482,11 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
return;

mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
+ if (IS_ERR_OR_NULL(mvmvif->dbgfs_dir)) {
+ IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n",
+ dbgfs_dir);
+ return;
+ }

if (!mvmvif->dbgfs_dir) {
IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n",
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 6640f84fe536..6d5beac29bc1 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -105,7 +105,6 @@ enum sctp_verb {
SCTP_CMD_T1_RETRAN, /* Mark for retransmission after T1 timeout */
SCTP_CMD_UPDATE_INITTAG, /* Update peer inittag */
SCTP_CMD_SEND_MSG, /* Send the whole use message */
- SCTP_CMD_SEND_NEXT_ASCONF, /* Send the next ASCONF after ACK */
SCTP_CMD_PURGE_ASCONF_QUEUE, /* Purge all asconf queues.*/
SCTP_CMD_SET_ASOC, /* Restore association context */
SCTP_CMD_LAST
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index c80188875f39..e8bb2e85c5a4 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -519,6 +519,7 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
to->pkt_type = from->pkt_type;
to->priority = from->priority;
to->protocol = from->protocol;
+ to->skb_iif = from->skb_iif;
skb_dst_drop(to);
skb_dst_copy(to, from);
to->dev = from->dev;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 00852f47a73d..9a2ff79a93ad 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1673,7 +1673,9 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb)
if (TCP_SKB_CB(tail)->end_seq != TCP_SKB_CB(skb)->seq ||
TCP_SKB_CB(tail)->ip_dsfield != TCP_SKB_CB(skb)->ip_dsfield ||
((TCP_SKB_CB(tail)->tcp_flags |
- TCP_SKB_CB(skb)->tcp_flags) & TCPHDR_URG) ||
+ TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_SYN | TCPHDR_RST | TCPHDR_URG)) ||
+ !((TCP_SKB_CB(tail)->tcp_flags &
+ TCP_SKB_CB(skb)->tcp_flags) & TCPHDR_ACK) ||
((TCP_SKB_CB(tail)->tcp_flags ^
TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_ECE | TCPHDR_CWR)) ||
#ifdef CONFIG_TLS_DEVICE
@@ -1692,6 +1694,15 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb)
if (after(TCP_SKB_CB(skb)->ack_seq, TCP_SKB_CB(tail)->ack_seq))
TCP_SKB_CB(tail)->ack_seq = TCP_SKB_CB(skb)->ack_seq;

+ /* We have to update both TCP_SKB_CB(tail)->tcp_flags and
+ * thtail->fin, so that the fast path in tcp_rcv_established()
+ * is not entered if we append a packet with a FIN.
+ * SYN, RST, URG are not present.
+ * ACK is set on both packets.
+ * PSH : we do not really care in TCP stack,
+ * at least for 'GRO' packets.
+ */
+ thtail->fin |= th->fin;
TCP_SKB_CB(tail)->tcp_flags |= TCP_SKB_CB(skb)->tcp_flags;

if (TCP_SKB_CB(skb)->has_rxtstamp) {
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 64f9715173ac..065334b41d57 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -352,6 +352,7 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head,
struct sk_buff *pp = NULL;
struct udphdr *uh2;
struct sk_buff *p;
+ unsigned int ulen;

/* requires non zero csum, for symmetry with GSO */
if (!uh->check) {
@@ -359,6 +360,12 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head,
return NULL;
}

+ /* Do not deal with padded or malicious packets, sorry ! */
+ ulen = ntohs(uh->len);
+ if (ulen <= sizeof(*uh) || ulen != skb_gro_len(skb)) {
+ NAPI_GRO_CB(skb)->flush = 1;
+ return NULL;
+ }
/* pull encapsulating udp header */
skb_gro_pull(skb, sizeof(struct udphdr));
skb_gro_postpull_rcsum(skb, uh, sizeof(struct udphdr));
@@ -377,13 +384,14 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head,

/* Terminate the flow on len mismatch or if it grow "too much".
* Under small packet flood GRO count could elsewhere grow a lot
- * leading to execessive truesize values
+ * leading to excessive truesize values.
+ * On len mismatch merge the first packet shorter than gso_size,
+ * otherwise complete the GRO packet.
*/
- if (!skb_gro_receive(p, skb) &&
+ if (ulen > ntohs(uh2->len) || skb_gro_receive(p, skb) ||
+ ulen != ntohs(uh2->len) ||
NAPI_GRO_CB(p)->count >= UDP_GRO_CNT_MAX)
pp = p;
- else if (uh->len != uh2->len)
- pp = p;

return pp;
}
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 6613d8dbb0e5..91247a6fc67f 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -921,9 +921,7 @@ static void fib6_drop_pcpu_from(struct fib6_info *f6i,
if (pcpu_rt) {
struct fib6_info *from;

- from = rcu_dereference_protected(pcpu_rt->from,
- lockdep_is_held(&table->tb6_lock));
- rcu_assign_pointer(pcpu_rt->from, NULL);
+ from = xchg((__force struct fib6_info **)&pcpu_rt->from, NULL);
fib6_info_release(from);
}
}
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index cb54a8a3c273..be5f3d7ceb96 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -94,15 +94,21 @@ static struct ip6_flowlabel *fl_lookup(struct net *net, __be32 label)
return fl;
}

+static void fl_free_rcu(struct rcu_head *head)
+{
+ struct ip6_flowlabel *fl = container_of(head, struct ip6_flowlabel, rcu);
+
+ if (fl->share == IPV6_FL_S_PROCESS)
+ put_pid(fl->owner.pid);
+ kfree(fl->opt);
+ kfree(fl);
+}
+

static void fl_free(struct ip6_flowlabel *fl)
{
- if (fl) {
- if (fl->share == IPV6_FL_S_PROCESS)
- put_pid(fl->owner.pid);
- kfree(fl->opt);
- kfree_rcu(fl, rcu);
- }
+ if (fl)
+ call_rcu(&fl->rcu, fl_free_rcu);
}

static void fl_release(struct ip6_flowlabel *fl)
@@ -633,9 +639,9 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
if (fl1->share == IPV6_FL_S_EXCL ||
fl1->share != fl->share ||
((fl1->share == IPV6_FL_S_PROCESS) &&
- (fl1->owner.pid == fl->owner.pid)) ||
+ (fl1->owner.pid != fl->owner.pid)) ||
((fl1->share == IPV6_FL_S_USER) &&
- uid_eq(fl1->owner.uid, fl->owner.uid)))
+ !uid_eq(fl1->owner.uid, fl->owner.uid)))
goto release;

err = -ENOMEM;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b6a97115a906..59c90bba048c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -379,11 +379,8 @@ static void ip6_dst_destroy(struct dst_entry *dst)
in6_dev_put(idev);
}

- rcu_read_lock();
- from = rcu_dereference(rt->from);
- rcu_assign_pointer(rt->from, NULL);
+ from = xchg((__force struct fib6_info **)&rt->from, NULL);
fib6_info_release(from);
- rcu_read_unlock();
}

static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
@@ -1288,9 +1285,7 @@ static void rt6_remove_exception(struct rt6_exception_bucket *bucket,
/* purge completely the exception to allow releasing the held resources:
* some [sk] cache may keep the dst around for unlimited time
*/
- from = rcu_dereference_protected(rt6_ex->rt6i->from,
- lockdep_is_held(&rt6_exception_lock));
- rcu_assign_pointer(rt6_ex->rt6i->from, NULL);
+ from = xchg((__force struct fib6_info **)&rt6_ex->rt6i->from, NULL);
fib6_info_release(from);
dst_dev_put(&rt6_ex->rt6i->dst);

@@ -3403,11 +3398,8 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu

rcu_read_lock();
from = rcu_dereference(rt->from);
- /* This fib6_info_hold() is safe here because we hold reference to rt
- * and rt already holds reference to fib6_info.
- */
- fib6_info_hold(from);
- rcu_read_unlock();
+ if (!from)
+ goto out;

nrt = ip6_rt_cache_alloc(from, &msg->dest, NULL);
if (!nrt)
@@ -3419,10 +3411,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu

nrt->rt6i_gateway = *(struct in6_addr *)neigh->primary_key;

- /* No need to remove rt from the exception table if rt is
- * a cached route because rt6_insert_exception() will
- * takes care of it
- */
+ /* rt6_insert_exception() will take care of duplicated exceptions */
if (rt6_insert_exception(nrt, from)) {
dst_release_immediate(&nrt->dst);
goto out;
@@ -3435,7 +3424,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu
call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);

out:
- fib6_info_release(from);
+ rcu_read_unlock();
neigh_release(neigh);
}

@@ -4957,16 +4946,20 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,

rcu_read_lock();
from = rcu_dereference(rt->from);
-
- if (fibmatch)
- err = rt6_fill_node(net, skb, from, NULL, NULL, NULL, iif,
- RTM_NEWROUTE, NETLINK_CB(in_skb).portid,
- nlh->nlmsg_seq, 0);
- else
- err = rt6_fill_node(net, skb, from, dst, &fl6.daddr,
- &fl6.saddr, iif, RTM_NEWROUTE,
- NETLINK_CB(in_skb).portid, nlh->nlmsg_seq,
- 0);
+ if (from) {
+ if (fibmatch)
+ err = rt6_fill_node(net, skb, from, NULL, NULL, NULL,
+ iif, RTM_NEWROUTE,
+ NETLINK_CB(in_skb).portid,
+ nlh->nlmsg_seq, 0);
+ else
+ err = rt6_fill_node(net, skb, from, dst, &fl6.daddr,
+ &fl6.saddr, iif, RTM_NEWROUTE,
+ NETLINK_CB(in_skb).portid,
+ nlh->nlmsg_seq, 0);
+ } else {
+ err = -ENETUNREACH;
+ }
rcu_read_unlock();

if (err < 0) {
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index fed6becc5daf..52b5a2797c0c 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -169,8 +169,8 @@ struct l2tp_tunnel *l2tp_tunnel_get(const struct net *net, u32 tunnel_id)

rcu_read_lock_bh();
list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) {
- if (tunnel->tunnel_id == tunnel_id) {
- l2tp_tunnel_inc_refcount(tunnel);
+ if (tunnel->tunnel_id == tunnel_id &&
+ refcount_inc_not_zero(&tunnel->ref_count)) {
rcu_read_unlock_bh();

return tunnel;
@@ -190,8 +190,8 @@ struct l2tp_tunnel *l2tp_tunnel_get_nth(const struct net *net, int nth)

rcu_read_lock_bh();
list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) {
- if (++count > nth) {
- l2tp_tunnel_inc_refcount(tunnel);
+ if (++count > nth &&
+ refcount_inc_not_zero(&tunnel->ref_count)) {
rcu_read_unlock_bh();
return tunnel;
}
@@ -909,7 +909,7 @@ int l2tp_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
{
struct l2tp_tunnel *tunnel;

- tunnel = l2tp_tunnel(sk);
+ tunnel = rcu_dereference_sk_user_data(sk);
if (tunnel == NULL)
goto pass_up;

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 8406bf11eef4..faa2bc50cfa0 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2603,8 +2603,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
void *ph;
DECLARE_SOCKADDR(struct sockaddr_ll *, saddr, msg->msg_name);
bool need_wait = !(msg->msg_flags & MSG_DONTWAIT);
+ unsigned char *addr = NULL;
int tp_len, size_max;
- unsigned char *addr;
void *data;
int len_sum = 0;
int status = TP_STATUS_AVAILABLE;
@@ -2615,7 +2615,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
if (likely(saddr == NULL)) {
dev = packet_cached_dev_get(po);
proto = po->num;
- addr = NULL;
} else {
err = -EINVAL;
if (msg->msg_namelen < sizeof(struct sockaddr_ll))
@@ -2625,10 +2624,13 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
sll_addr)))
goto out;
proto = saddr->sll_protocol;
- addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
- if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out_put;
+ if (po->sk.sk_socket->type == SOCK_DGRAM) {
+ if (dev && msg->msg_namelen < dev->addr_len +
+ offsetof(struct sockaddr_ll, sll_addr))
+ goto out_put;
+ addr = saddr->sll_addr;
+ }
}

err = -ENXIO;
@@ -2800,7 +2802,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
struct sk_buff *skb;
struct net_device *dev;
__be16 proto;
- unsigned char *addr;
+ unsigned char *addr = NULL;
int err, reserve = 0;
struct sockcm_cookie sockc;
struct virtio_net_hdr vnet_hdr = { 0 };
@@ -2817,7 +2819,6 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
if (likely(saddr == NULL)) {
dev = packet_cached_dev_get(po);
proto = po->num;
- addr = NULL;
} else {
err = -EINVAL;
if (msg->msg_namelen < sizeof(struct sockaddr_ll))
@@ -2825,10 +2826,13 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct sockaddr_ll, sll_addr)))
goto out;
proto = saddr->sll_protocol;
- addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
- if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out_unlock;
+ if (sock->type == SOCK_DGRAM) {
+ if (dev && msg->msg_namelen < dev->addr_len +
+ offsetof(struct sockaddr_ll, sll_addr))
+ goto out_unlock;
+ addr = saddr->sll_addr;
+ }
}

err = -ENXIO;
@@ -3345,20 +3349,29 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
sock_recv_ts_and_drops(msg, sk, skb);

if (msg->msg_name) {
+ int copy_len;
+
/* If the address length field is there to be filled
* in, we fill it in now.
*/
if (sock->type == SOCK_PACKET) {
__sockaddr_check_size(sizeof(struct sockaddr_pkt));
msg->msg_namelen = sizeof(struct sockaddr_pkt);
+ copy_len = msg->msg_namelen;
} else {
struct sockaddr_ll *sll = &PACKET_SKB_CB(skb)->sa.ll;

msg->msg_namelen = sll->sll_halen +
offsetof(struct sockaddr_ll, sll_addr);
+ copy_len = msg->msg_namelen;
+ if (msg->msg_namelen < sizeof(struct sockaddr_ll)) {
+ memset(msg->msg_name +
+ offsetof(struct sockaddr_ll, sll_addr),
+ 0, sizeof(sll->sll_addr));
+ msg->msg_namelen = sizeof(struct sockaddr_ll);
+ }
}
- memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa,
- msg->msg_namelen);
+ memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa, copy_len);
}

if (pkt_sk(sk)->auxdata) {
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 8aa2937b069f..fe96881a334d 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -604,30 +604,30 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)

_enter("");

- if (list_empty(&rxnet->calls))
- return;
+ if (!list_empty(&rxnet->calls)) {
+ write_lock(&rxnet->call_lock);

- write_lock(&rxnet->call_lock);
+ while (!list_empty(&rxnet->calls)) {
+ call = list_entry(rxnet->calls.next,
+ struct rxrpc_call, link);
+ _debug("Zapping call %p", call);

- while (!list_empty(&rxnet->calls)) {
- call = list_entry(rxnet->calls.next, struct rxrpc_call, link);
- _debug("Zapping call %p", call);
+ rxrpc_see_call(call);
+ list_del_init(&call->link);

- rxrpc_see_call(call);
- list_del_init(&call->link);
+ pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
+ call, atomic_read(&call->usage),
+ rxrpc_call_states[call->state],
+ call->flags, call->events);

- pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
- call, atomic_read(&call->usage),
- rxrpc_call_states[call->state],
- call->flags, call->events);
+ write_unlock(&rxnet->call_lock);
+ cond_resched();
+ write_lock(&rxnet->call_lock);
+ }

write_unlock(&rxnet->call_lock);
- cond_resched();
- write_lock(&rxnet->call_lock);
}

- write_unlock(&rxnet->call_lock);
-
atomic_dec(&rxnet->nr_calls);
wait_var_event(&rxnet->nr_calls, !atomic_read(&rxnet->nr_calls));
}
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 1d143bc3f73d..4aa03588f87b 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1112,32 +1112,6 @@ static void sctp_cmd_send_msg(struct sctp_association *asoc,
}


-/* Sent the next ASCONF packet currently stored in the association.
- * This happens after the ASCONF_ACK was succeffully processed.
- */
-static void sctp_cmd_send_asconf(struct sctp_association *asoc)
-{
- struct net *net = sock_net(asoc->base.sk);
-
- /* Send the next asconf chunk from the addip chunk
- * queue.
- */
- if (!list_empty(&asoc->addip_chunk_list)) {
- struct list_head *entry = asoc->addip_chunk_list.next;
- struct sctp_chunk *asconf = list_entry(entry,
- struct sctp_chunk, list);
- list_del_init(entry);
-
- /* Hold the chunk until an ASCONF_ACK is received. */
- sctp_chunk_hold(asconf);
- if (sctp_primitive_ASCONF(net, asoc, asconf))
- sctp_chunk_free(asconf);
- else
- asoc->addip_last_asconf = asconf;
- }
-}
-
-
/* These three macros allow us to pull the debugging code out of the
* main flow of sctp_do_sm() to keep attention focused on the real
* functionality there.
@@ -1783,9 +1757,6 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
}
sctp_cmd_send_msg(asoc, cmd->obj.msg, gfp);
break;
- case SCTP_CMD_SEND_NEXT_ASCONF:
- sctp_cmd_send_asconf(asoc);
- break;
case SCTP_CMD_PURGE_ASCONF_QUEUE:
sctp_asconf_queue_teardown(asoc);
break;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index c9ae3404b1bb..713a669d2058 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3824,6 +3824,29 @@ enum sctp_disposition sctp_sf_do_asconf(struct net *net,
return SCTP_DISPOSITION_CONSUME;
}

+static enum sctp_disposition sctp_send_next_asconf(
+ struct net *net,
+ const struct sctp_endpoint *ep,
+ struct sctp_association *asoc,
+ const union sctp_subtype type,
+ struct sctp_cmd_seq *commands)
+{
+ struct sctp_chunk *asconf;
+ struct list_head *entry;
+
+ if (list_empty(&asoc->addip_chunk_list))
+ return SCTP_DISPOSITION_CONSUME;
+
+ entry = asoc->addip_chunk_list.next;
+ asconf = list_entry(entry, struct sctp_chunk, list);
+
+ list_del_init(entry);
+ sctp_chunk_hold(asconf);
+ asoc->addip_last_asconf = asconf;
+
+ return sctp_sf_do_prm_asconf(net, ep, asoc, type, asconf, commands);
+}
+
/*
* ADDIP Section 4.3 General rules for address manipulation
* When building TLV parameters for the ASCONF Chunk that will add or
@@ -3915,14 +3938,10 @@ enum sctp_disposition sctp_sf_do_asconf_ack(struct net *net,
SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));

if (!sctp_process_asconf_ack((struct sctp_association *)asoc,
- asconf_ack)) {
- /* Successfully processed ASCONF_ACK. We can
- * release the next asconf if we have one.
- */
- sctp_add_cmd_sf(commands, SCTP_CMD_SEND_NEXT_ASCONF,
- SCTP_NULL());
- return SCTP_DISPOSITION_CONSUME;
- }
+ asconf_ack))
+ return sctp_send_next_asconf(net, ep,
+ (struct sctp_association *)asoc,
+ type, commands);

abort = sctp_make_abort(asoc, asconf_ack,
sizeof(struct sctp_errhdr));
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 5f1d937c4be9..7d5136ecee78 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -579,7 +579,7 @@ void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn)
static int tls_device_reencrypt(struct sock *sk, struct sk_buff *skb)
{
struct strp_msg *rxm = strp_msg(skb);
- int err = 0, offset = rxm->offset, copy, nsg;
+ int err = 0, offset = rxm->offset, copy, nsg, data_len, pos;
struct sk_buff *skb_iter, *unused;
struct scatterlist sg[1];
char *orig_buf, *buf;
@@ -610,25 +610,42 @@ static int tls_device_reencrypt(struct sock *sk, struct sk_buff *skb)
else
err = 0;

- copy = min_t(int, skb_pagelen(skb) - offset,
- rxm->full_len - TLS_CIPHER_AES_GCM_128_TAG_SIZE);
+ data_len = rxm->full_len - TLS_CIPHER_AES_GCM_128_TAG_SIZE;

- if (skb->decrypted)
- skb_store_bits(skb, offset, buf, copy);
+ if (skb_pagelen(skb) > offset) {
+ copy = min_t(int, skb_pagelen(skb) - offset, data_len);

- offset += copy;
- buf += copy;
+ if (skb->decrypted)
+ skb_store_bits(skb, offset, buf, copy);

+ offset += copy;
+ buf += copy;
+ }
+
+ pos = skb_pagelen(skb);
skb_walk_frags(skb, skb_iter) {
- copy = min_t(int, skb_iter->len,
- rxm->full_len - offset + rxm->offset -
- TLS_CIPHER_AES_GCM_128_TAG_SIZE);
+ int frag_pos;
+
+ /* Practically all frags must belong to msg if reencrypt
+ * is needed with current strparser and coalescing logic,
+ * but strparser may "get optimized", so let's be safe.
+ */
+ if (pos + skb_iter->len <= offset)
+ goto done_with_frag;
+ if (pos >= data_len + rxm->offset)
+ break;
+
+ frag_pos = offset - pos;
+ copy = min_t(int, skb_iter->len - frag_pos,
+ data_len + rxm->offset - offset);

if (skb_iter->decrypted)
- skb_store_bits(skb_iter, offset, buf, copy);
+ skb_store_bits(skb_iter, frag_pos, buf, copy);

offset += copy;
buf += copy;
+done_with_frag:
+ pos += skb_iter->len;
}

free_buf:
diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c
index ef8934fd8698..426dd97725e4 100644
--- a/net/tls/tls_device_fallback.c
+++ b/net/tls/tls_device_fallback.c
@@ -200,13 +200,14 @@ static void complete_skb(struct sk_buff *nskb, struct sk_buff *skb, int headln)

skb_put(nskb, skb->len);
memcpy(nskb->data, skb->data, headln);
- update_chksum(nskb, headln);

nskb->destructor = skb->destructor;
nskb->sk = sk;
skb->destructor = NULL;
skb->sk = NULL;

+ update_chksum(nskb, headln);
+
delta = nskb->truesize - skb->truesize;
if (likely(delta < 0))
WARN_ON_ONCE(refcount_sub_and_test(-delta, &sk->sk_wmem_alloc));
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index c1376bfdc90b..aa28510d23ad 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -351,12 +351,16 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
{
struct usb_device *usbdev = line6->usbdev;
int ret;
- unsigned char len;
+ unsigned char *len;
unsigned count;

if (address > 0xffff || datalen > 0xff)
return -EINVAL;

+ len = kmalloc(sizeof(*len), GFP_KERNEL);
+ if (!len)
+ return -ENOMEM;
+
/* query the serial number: */
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
@@ -365,7 +369,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,

if (ret < 0) {
dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

/* Wait for data length. We'll get 0xff until length arrives. */
@@ -375,28 +379,29 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE |
USB_DIR_IN,
- 0x0012, 0x0000, &len, 1,
+ 0x0012, 0x0000, len, 1,
LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(line6->ifcdev,
"receive length failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

- if (len != 0xff)
+ if (*len != 0xff)
break;
}

- if (len == 0xff) {
+ ret = -EIO;
+ if (*len == 0xff) {
dev_err(line6->ifcdev, "read failed after %d retries\n",
count);
- return -EIO;
- } else if (len != datalen) {
+ goto exit;
+ } else if (*len != datalen) {
/* should be equal or something went wrong */
dev_err(line6->ifcdev,
"length mismatch (expected %d, got %d)\n",
- (int)datalen, (int)len);
- return -EIO;
+ (int)datalen, (int)*len);
+ goto exit;
}

/* receive the result: */
@@ -405,12 +410,12 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
0x0013, 0x0000, data, datalen,
LINE6_TIMEOUT * HZ);

- if (ret < 0) {
+ if (ret < 0)
dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
- return ret;
- }

- return 0;
+exit:
+ kfree(len);
+ return ret;
}
EXPORT_SYMBOL_GPL(line6_read_data);

@@ -422,12 +427,16 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
{
struct usb_device *usbdev = line6->usbdev;
int ret;
- unsigned char status;
+ unsigned char *status;
int count;

if (address > 0xffff || datalen > 0xffff)
return -EINVAL;

+ status = kmalloc(sizeof(*status), GFP_KERNEL);
+ if (!status)
+ return -ENOMEM;
+
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x0022, address, data, datalen,
@@ -436,7 +445,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
if (ret < 0) {
dev_err(line6->ifcdev,
"write request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) {
@@ -447,28 +456,29 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
USB_TYPE_VENDOR | USB_RECIP_DEVICE |
USB_DIR_IN,
0x0012, 0x0000,
- &status, 1, LINE6_TIMEOUT * HZ);
+ status, 1, LINE6_TIMEOUT * HZ);

if (ret < 0) {
dev_err(line6->ifcdev,
"receiving status failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

- if (status != 0xff)
+ if (*status != 0xff)
break;
}

- if (status == 0xff) {
+ if (*status == 0xff) {
dev_err(line6->ifcdev, "write failed after %d retries\n",
count);
- return -EIO;
- } else if (status != 0) {
+ ret = -EIO;
+ } else if (*status != 0) {
dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
- return -EIO;
+ ret = -EIO;
}
-
- return 0;
+exit:
+ kfree(status);
+ return ret;
}
EXPORT_SYMBOL_GPL(line6_write_data);

diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index 36ed9c85c0eb..5f3c87264e66 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -225,28 +225,32 @@ static void podhd_startup_start_workqueue(struct timer_list *t)
static int podhd_dev_start(struct usb_line6_podhd *pod)
{
int ret;
- u8 init_bytes[8];
+ u8 *init_bytes;
int i;
struct usb_device *usbdev = pod->line6.usbdev;

+ init_bytes = kmalloc(8, GFP_KERNEL);
+ if (!init_bytes)
+ return -ENOMEM;
+
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x11, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

/* NOTE: looks like some kind of ping message */
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x11, 0x0,
- &init_bytes, 3, LINE6_TIMEOUT * HZ);
+ init_bytes, 3, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev,
"receive length failed (error %d)\n", ret);
- return ret;
+ goto exit;
}

pod->firmware_version =
@@ -255,7 +259,7 @@ static int podhd_dev_start(struct usb_line6_podhd *pod)
for (i = 0; i <= 16; i++) {
ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
if (ret < 0)
- return ret;
+ goto exit;
}

ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
@@ -263,10 +267,9 @@ static int podhd_dev_start(struct usb_line6_podhd *pod)
USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
1, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
- if (ret < 0)
- return ret;
-
- return 0;
+exit:
+ kfree(init_bytes);
+ return ret;
}

static void podhd_startup_workqueue(struct work_struct *work)
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
index f47ba94e6f4a..19bee725de00 100644
--- a/sound/usb/line6/toneport.c
+++ b/sound/usb/line6/toneport.c
@@ -365,16 +365,21 @@ static bool toneport_has_source_select(struct usb_line6_toneport *toneport)
/*
Setup Toneport device.
*/
-static void toneport_setup(struct usb_line6_toneport *toneport)
+static int toneport_setup(struct usb_line6_toneport *toneport)
{
- u32 ticks;
+ u32 *ticks;
struct usb_line6 *line6 = &toneport->line6;
struct usb_device *usbdev = line6->usbdev;

+ ticks = kmalloc(sizeof(*ticks), GFP_KERNEL);
+ if (!ticks)
+ return -ENOMEM;
+
/* sync time on device with host: */
/* note: 32-bit timestamps overflow in year 2106 */
- ticks = (u32)ktime_get_real_seconds();
- line6_write_data(line6, 0x80c6, &ticks, 4);
+ *ticks = (u32)ktime_get_real_seconds();
+ line6_write_data(line6, 0x80c6, ticks, 4);
+ kfree(ticks);

/* enable device: */
toneport_send_cmd(usbdev, 0x0301, 0x0000);
@@ -389,6 +394,7 @@ static void toneport_setup(struct usb_line6_toneport *toneport)
toneport_update_led(toneport);

mod_timer(&toneport->timer, jiffies + TONEPORT_PCM_DELAY * HZ);
+ return 0;
}

/*
@@ -451,7 +457,9 @@ static int toneport_init(struct usb_line6 *line6,
return err;
}

- toneport_setup(toneport);
+ err = toneport_setup(toneport);
+ if (err)
+ return err;

/* register audio system: */
return snd_card_register(line6->card);
@@ -463,7 +471,11 @@ static int toneport_init(struct usb_line6 *line6,
*/
static int toneport_reset_resume(struct usb_interface *interface)
{
- toneport_setup(usb_get_intfdata(interface));
+ int err;
+
+ err = toneport_setup(usb_get_intfdata(interface));
+ if (err)
+ return err;
return line6_resume(interface);
}
#endif
diff --git a/tools/testing/selftests/net/fib_rule_tests.sh b/tools/testing/selftests/net/fib_rule_tests.sh
index d4cfb6a7a086..4b7e107865bf 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -27,6 +27,7 @@ log_test()
nsuccess=$((nsuccess+1))
printf "\n TEST: %-50s [ OK ]\n" "${msg}"
else
+ ret=1
nfail=$((nfail+1))
printf "\n TEST: %-50s [FAIL]\n" "${msg}"
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
@@ -147,8 +148,8 @@ fib_rule6_test()

fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
- match="ipproto icmp"
- fib_rule6_test_match_n_redirect "$match" "$match" "ipproto icmp match"
+ match="ipproto ipv6-icmp"
+ fib_rule6_test_match_n_redirect "$match" "$match" "ipproto ipv6-icmp match"
fi
}

@@ -245,4 +246,9 @@ setup
run_fibrule_tests
cleanup

+if [ "$TESTS" != "none" ]; then
+ printf "\nTests passed: %3d\n" ${nsuccess}
+ printf "Tests failed: %3d\n" ${nfail}
+fi
+
exit $ret
\
 
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