2007-02-01 15:50:52

by Peter Korsgaard

[permalink] [raw]
Subject: [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 <[email protected]>

---
drivers/net/smc911x.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-trunk/drivers/net/smc911x.c
===================================================================
--- linux-trunk.orig/drivers/net/smc911x.c
+++ linux-trunk/drivers/net/smc911x.c
@@ -969,11 +969,11 @@
* 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);

@@ -1042,6 +1042,7 @@

smc911x_phy_configure_exit:
spin_unlock_irqrestore(&lp->lock, flags);
+smc911x_phy_configure_exit_nolock:
lp->work_pending = 0;
}


--
Bye, Peter Korsgaard