Input: ir-keytable - fix uninitialized variable warning

We were forgetting to set up proper return value in success path causing
ir_getkeycode() to fail intermittently:

drivers/media/IR/ir-keytable.c: In function 'ir_getkeycode':
drivers/media/IR/ir-keytable.c:363: warning: 'retval' may be used
uninitialized in this function

Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 647d52b..f60107c 100644 (file)
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -389,6 +389,8 @@ static int ir_getkeycode(struct input_dev *dev,
        ke->len = sizeof(entry->scancode);
        memcpy(ke->scancode, &entry->scancode, sizeof(entry->scancode));
 
+       retval = 0;
+
 out:
        spin_unlock_irqrestore(&rc_tab->lock, flags);
        return retval;