diff options
| author |   Jeremy Linton <jeremy.linton@arm.com> | 2016-09-01 15:15:06 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-09-02 17:28:33 -0700 |
| commit | 1358bd5a7477b346dfb6b502051d61f29b11a200 (patch) | |
| tree | 2a846db795fb0e1350c365a89195737421638487 /drivers/net/ethernet/smsc | |
| parent | l2tp: fix use-after-free during module unload (diff) | |
| download | linux-dev-1358bd5a7477b346dfb6b502051d61f29b11a200.tar.xz linux-dev-1358bd5a7477b346dfb6b502051d61f29b11a200.zip | |
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.c | 14 |
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 */ |