Input: gpio_keys - irq handling cleanup

Cleanup IRQ handling in gpio_keys:  bail after handling the IRQ, and
report IRQ_NONE if we never handle it.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 6a9ca4bdcb74..a54dc15f9005 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -43,10 +43,11 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
 
                         input_event(input, type, button->code, !!state);
                         input_sync(input);
+                        return IRQ_HANDLED;
                 }
         }
 
-        return IRQ_HANDLED;
+        return IRQ_NONE;
 }
 
 static int __devinit gpio_keys_probe(struct platform_device *pdev)