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authorJeremy Linton <jeremy.linton@arm.com>2016-09-01 15:15:06 -0500
committerDavid S. Miller <davem@davemloft.net>2016-09-02 17:28:33 -0700
commit1358bd5a7477b346dfb6b502051d61f29b11a200 (patch)
tree2a846db795fb0e1350c365a89195737421638487 /drivers/net/ethernet/smsc
parent2f86953e7436c9b9a4690909c5e2db24799e173b (diff)
downloadlinux-1358bd5a7477b346dfb6b502051d61f29b11a200.tar.bz2
net: smsc911x: Remove multiple exit points from smsc911x_open
Rework the error handling in smsc911x open in preparation for the mdio startup being moved here. Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/smsc')
-rw-r--r--drivers/net/ethernet/smsc/smsc911x.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index ca3134540d2d..c9b0e055c62f 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1520,17 +1520,20 @@ static int smsc911x_open(struct net_device *dev)
unsigned int timeout;
unsigned int temp;
unsigned int intcfg;
+ int retval;
/* if the phy is not yet registered, retry later*/
if (!dev->phydev) {
SMSC_WARN(pdata, hw, "phy_dev is NULL");
- return -EAGAIN;
+ retval = -EAGAIN;
+ goto out;
}
/* Reset the LAN911x */
- if (smsc911x_soft_reset(pdata)) {
+ retval = smsc911x_soft_reset(pdata);
+ if (retval) {
SMSC_WARN(pdata, hw, "soft reset failed");
- return -EIO;
+ goto out;
}
smsc911x_reg_write(pdata, HW_CFG, 0x00050000);
@@ -1600,7 +1603,8 @@ static int smsc911x_open(struct net_device *dev)
if (!pdata->software_irq_signal) {
netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n",
dev->irq);
- return -ENODEV;
+ retval = -ENODEV;
+ goto out;
}
SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d",
dev->irq);
@@ -1646,6 +1650,8 @@ static int smsc911x_open(struct net_device *dev)
netif_start_queue(dev);
return 0;
+out:
+ return retval;
}
/* Entry point for stopping the interface */