From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Tue, 15 Aug 2006 06:00:17 +0000 (-0700)
Subject: [PATCH] smc911x: Re-release spinlock on spurious interrupt
X-Git-Tag: v2.6.18-rc5~61^2~18
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=a4d09272480e57cd4aa1156cac7aba9b08885bf9;p=linux-2.6-omap-h63xx.git

[PATCH] smc911x: Re-release spinlock on spurious interrupt

The smc911x driver forgets to release the spinlock on spurious interrupts.
This little patch fixes it.

Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index d37bd860b33..0b15290df27 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1092,6 +1092,7 @@ static irqreturn_t smc911x_interrupt(int irq, void *dev_id, struct pt_regs *regs
 	/* Spurious interrupt check */
 	if ((SMC_GET_IRQ_CFG() & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) !=
 		(INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) {
+		spin_unlock_irqrestore(&lp->lock, flags);
 		return IRQ_NONE;
 	}