The 'bad' label will call function that unconditionally dereferences the
NULL pointer.

Found by the Coverity tool
Signed-off-by: Alexander Nyberg <alexn@dsv.su.se>
Acked-by: James Morris <jmorris@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>