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Subject[PATCH net-next 4/7] drivers/net/tehuti.c: Hoist assigns out of ifs
Date
Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/tehuti.c | 49 +++++++++++++++++++++++++++----------------------
1 files changed, 27 insertions(+), 22 deletions(-)
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 82e522a..fdf87ea 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -420,8 +420,10 @@ static int bdx_hw_start(struct bdx_priv *priv)
GMAC_RX_FILTER_AM | GMAC_RX_FILTER_AB);

#define BDX_IRQ_TYPE ((priv->nic->irq_type == IRQ_MSI)?0:IRQF_SHARED)
- if ((rc = request_irq(priv->pdev->irq, bdx_isr_napi, BDX_IRQ_TYPE,
- ndev->name, ndev)))
+
+ rc = request_irq(priv->pdev->irq, bdx_isr_napi, BDX_IRQ_TYPE,
+ ndev->name, ndev);
+ if (rc)
goto err_irq;
bdx_enable_interrupts(priv);

@@ -603,18 +605,15 @@ static int bdx_open(struct net_device *ndev)
if (netif_running(ndev))
netif_stop_queue(priv->ndev);

- if ((rc = bdx_tx_init(priv)))
- goto err;
-
- if ((rc = bdx_rx_init(priv)))
- goto err;
-
- if ((rc = bdx_fw_load(priv)))
+ if ((rc = bdx_tx_init(priv)) ||
+ (rc = bdx_rx_init(priv)) ||
+ (rc = bdx_fw_load(priv)))
goto err;

bdx_rx_alloc_skbs(priv, &priv->rxf_fifo0);

- if ((rc = bdx_hw_start(priv)))
+ rc = bdx_hw_start(priv);
+ if (rc)
goto err;

napi_enable(&priv->napi);
@@ -1027,10 +1026,9 @@ static int bdx_rx_init(struct bdx_priv *priv)
regRXF_CFG0_0, regRXF_CFG1_0,
regRXF_RPTR_0, regRXF_WPTR_0))
goto err_mem;
- if (!
- (priv->rxdb =
- bdx_rxdb_create(priv->rxf_fifo0.m.memsz /
- sizeof(struct rxf_desc))))
+ priv->rxdb = bdx_rxdb_create(priv->rxf_fifo0.m.memsz /
+ sizeof(struct rxf_desc));
+ if (!priv->rxdb)
goto err_mem;

priv->rxf_fifo0.m.pktsz = priv->ndev->mtu + VLAN_ETH_HLEN;
@@ -1114,7 +1112,8 @@ static void bdx_rx_alloc_skbs(struct bdx_priv *priv, struct rxf_fifo *f)
ENTER;
dno = bdx_rxdb_available(db) - 1;
while (dno > 0) {
- if (!(skb = dev_alloc_skb(f->m.pktsz + NET_IP_ALIGN))) {
+ skb = dev_alloc_skb(f->m.pktsz + NET_IP_ALIGN);
+ if (!skb) {
pr_err("NO MEM: dev_alloc_skb failed\n");
break;
}
@@ -1934,8 +1933,9 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
RET(-ENOMEM);

/************** pci *****************/
- if ((err = pci_enable_device(pdev))) /* it trigers interrupt, dunno why. */
- goto err_pci; /* it's not a problem though */
+ err = pci_enable_device(pdev);
+ if (err) /* it triggers interrupt, dunno why. */
+ goto err_pci; /* it's not a problem though */

if (!(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) &&
!(err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))) {
@@ -1949,7 +1949,8 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_using_dac = 0;
}

- if ((err = pci_request_regions(pdev, BDX_DRV_NAME)))
+ err = pci_request_regions(pdev, BDX_DRV_NAME);
+ if (err)
goto err_dma;

pci_set_master(pdev);
@@ -1960,7 +1961,8 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pr_err("no MMIO resource\n");
goto err_out_res;
}
- if ((regionSize = pci_resource_len(pdev, 0)) < BDX_REGS_SIZE) {
+ regionSize = pci_resource_len(pdev, 0);
+ if (regionSize < BDX_REGS_SIZE) {
err = -EIO;
pr_err("MMIO resource (%x) too small\n", regionSize);
goto err_out_res;
@@ -1992,7 +1994,8 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
nic->irq_type = IRQ_INTX;
#ifdef BDX_MSI
if ((readl(nic->regs + FPGA_VER) & 0xFFF) >= 378) {
- if ((err = pci_enable_msi(pdev)))
+ err = pci_enable_msi(pdev);
+ if (err)
pr_err("Can't eneble msi. error is %d\n", err);
else
nic->irq_type = IRQ_MSI;
@@ -2002,7 +2005,8 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

/************** netdev **************/
for (port = 0; port < nic->port_num; port++) {
- if (!(ndev = alloc_etherdev(sizeof(struct bdx_priv)))) {
+ ndev = alloc_etherdev(sizeof(struct bdx_priv));
+ if (!ndev) {
err = -ENOMEM;
pr_err("alloc_etherdev failed\n");
goto err_out_iomap;
@@ -2075,7 +2079,8 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_iomap;
}
SET_NETDEV_DEV(ndev, &pdev->dev);
- if ((err = register_netdev(ndev))) {
+ err = register_netdev(ndev);
+ if (err) {
pr_err("register_netdev failed\n");
goto err_out_free;
}
--
1.7.0.14.g7e948


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