[PATCH] fix leaks in request_firmware_nowait

Wasn't checking return error and forgot to free in some case.

Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>