gcc correctly says

fs/ext2/super.c: In function 'ext2_remount':
fs/ext2/super.c:1055: warning: 'err' may be used uninitialized in this function
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>