[PATCH] net/smc911x: match up spin lock/unlock

smc911x_phy_configure's error handling unconditionally unlocks the
spinlock even if it wasn't locked. Patch fixes it.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 880d9fd..43af614 100644 (file)
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -968,11 +968,11 @@ static void smc911x_phy_configure(struct work_struct *work)
         * We should not be called if phy_type is zero.
         */
        if (lp->phy_type == 0)
-                goto smc911x_phy_configure_exit;
+                goto smc911x_phy_configure_exit_nolock;
 
        if (smc911x_phy_reset(dev, phyaddr)) {
                printk("%s: PHY reset timed out\n", dev->name);
-               goto smc911x_phy_configure_exit;
+               goto smc911x_phy_configure_exit_nolock;
        }
        spin_lock_irqsave(&lp->lock, flags);
 
@@ -1041,6 +1041,7 @@ static void smc911x_phy_configure(struct work_struct *work)
 
 smc911x_phy_configure_exit:
        spin_unlock_irqrestore(&lp->lock, flags);
+smc911x_phy_configure_exit_nolock:
        lp->work_pending = 0;
 }