[PATCH] small irq management simplification

Use mask_ack_irq() where possible.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index e6dc8b8839dd..0133f4f9e9f0 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -565,10 +565,8 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 
         /* Uninstall? */
         if (handle == handle_bad_irq) {
-                if (desc->chip != &no_irq_chip) {
-                        desc->chip->mask(irq);
-                        desc->chip->ack(irq);
-                }
+                if (desc->chip != &no_irq_chip)
+                        mask_ack_irq(desc, irq);
                 desc->status |= IRQ_DISABLED;
                 desc->depth = 1;
         }