dm crypt: missing kfree in ctr error path

Insert missing kfree() in crypt_iv_essiv_ctr() error path.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index ecd9ef0418cd..3fa3b24947da 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -175,6 +175,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti,
 
         if (err) {
                 ti->error = "Error calculating hash in ESSIV";
+                kfree(salt);
                 return err;
         }