tree 42978de09e95365ba46df73587b3a30149566247
parent e4fbaee29272533a242f117d18712e2974520d2c
author Christoph Jaeger <christophjaeger@linux.com> 1397302393 +0200
committer Chris Mason <clm@fb.com> 1397500268 -0700

btrfs: fix use-after-free in mount_subvol()

Pointer 'newargs' is used after the memory that it points to has already
been freed.

Picked up by Coverity - CID 1201425.

Fixes: 0723a0473f ("btrfs: allow mounting btrfs subvolumes with
different ro/rw options")
Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Signed-off-by: Chris Mason <clm@fb.com>