ARM: OMAP: Add return value check for input_register_device()

drivers/cbus/retu-pwrbutton.c:100: warning: ignoring return value of 'input_register_device', declared with attribute warn_unused_result

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/drivers/cbus/retu-pwrbutton.c b/drivers/cbus/retu-pwrbutton.c
index 283d9cae7b06a443b0e3970604ac218c00690d80..38d7aa42873edc21c6c37fc8def1bf3e0a0a89cd 100644 (file)
--- a/drivers/cbus/retu-pwrbutton.c
+++ b/drivers/cbus/retu-pwrbutton.c
@@ -97,9 +97,7 @@ static int __init retubutton_init(void)
        pwrbtn_dev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
        pwrbtn_dev->name = "retu-pwrbutton";
 
-       input_register_device(pwrbtn_dev);
-
-       return 0;
+       return input_register_device(pwrbtn_dev);
 }
 
 /**