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>
This commit is contained in:
Magnus Damm 2009-01-29 14:25:12 -08:00 committed by Linus Torvalds
parent 7bcc1bb123
commit 7460db567b

View File

@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const char *label)
} else {
status = -EBUSY;
module_put(chip->owner);
goto done;
}
if (chip->request) {