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jme: Faulty IRQ handle bug fix 

Fix IRQ handle bug when interrupt mode.

The driver was incorrectly handled and returned IRQ_HANDLED
while the device is not generating the interrupt.
It happened due to faulty determination of interrupt status register.

Found by: "Ethan" <ethanhsiao@jmicron.com>
Fixed by: "akeemting" <akeem@jmicron.com>
Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
akeemting 2008-10-08 19:50:03 -07:00 committed by David S. Miller
parent a821ebe580
commit 576b5223e2
1 changed files with 1 additions and 1 deletions
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2
drivers/net/jme.c
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@ -1463,7 +1463,7 @@ jme_intr(int irq, void *dev_id)
/*
* Check if it's really an interrupt for us
*/
if (unlikely(intrstat == 0))
if (unlikely((intrstat & INTR_ENABLE) == 0))
return IRQ_NONE;
/*