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authorroel kluin <roel.kluin@gmail.com>2008-09-15 20:50:54 -0400
committerRalf Baechle <ralf@linux-mips.org>2008-09-16 11:04:30 +0200
commita83479545d0e693da0886fd28d041d3a5c1bc966 (patch)
tree11b3773df0b5e7dcf67a3bcabec8a888b4fca4d2 /arch/mips/vr41xx
parentbc45eb8950b8c14487385cfd2bda1613ca8d9703 (diff)
[MIPS] VR41xx: unsigned irq cannot be negative
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/vr41xx')
-rw-r--r--arch/mips/vr41xx/common/irq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index cba36a247e3..92dd1a0ca35 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -72,6 +72,7 @@ static void irq_dispatch(unsigned int irq)
cascade = irq_cascade + irq;
if (cascade->get_irq != NULL) {
unsigned int source_irq = irq;
+ int ret;
desc = irq_desc + source_irq;
if (desc->chip->mask_ack)
desc->chip->mask_ack(source_irq);
@@ -79,8 +80,9 @@ static void irq_dispatch(unsigned int irq)
desc->chip->mask(source_irq);
desc->chip->ack(source_irq);
}
- irq = cascade->get_irq(irq);
- if (irq < 0)
+ ret = cascade->get_irq(irq);
+ irq = ret;
+ if (ret < 0)
atomic_inc(&irq_err_count);
else
irq_dispatch(irq);