[PATCH] irq: fixed coding style

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index ac1f850..3c3fec5 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -146,7 +146,7 @@
 	struct irq_desc *desc = irq_desc + irq;
 
 	if (!(desc->status & IRQ_DELAYED_DISABLE))
-		irq_desc[irq].chip->mask(irq);
+		desc->chip->mask(irq);
 }
 
 /*