gpiolib: fix request related issue

Fix request-already-requested handling in gpio_request().

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>		[2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 35e7aea4222c478ffc9b93263a339fd0526ab201..42fb2fd24c0c03cd20b21dab5038fde07d3be30c 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const char *label)
        } else {
                status = -EBUSY;
                module_put(chip->owner);
+               goto done;
        }
 
        if (chip->request) {