Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-…

…linus * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] VR41xx: unsigned irq cannot be negative
git-mirror · Sep 17, 2008 · 1b901aa · 1b901aa
2 parents ef3d771 + a834795
commit 1b901aa
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
@@ -72,15 +72,17 @@ 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);
 		else {
 			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);