From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Wed, 27 Sep 2017 12:28:57 +0000 (+0800)
Subject: dm crypt: fix memory leak in crypt_ctr_cipher_old()
X-Git-Tag: v4.14-rc4~20^2~2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=bd86e32059526e2d0d13ca1e4447dfbbddb6e5cc;p=linux.git

dm crypt: fix memory leak in crypt_ctr_cipher_old()

Fix memory leak of cipher_api.

Fixes: 33d2f09fcb35 (dm crypt: introduce new format of cipher with "capi:" prefix)
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index a55ffd4f5933..75341fdca4b6 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2466,6 +2466,7 @@ static int crypt_ctr_cipher_old(struct dm_target *ti, char *cipher_in, char *key
 		kfree(cipher_api);
 		return ret;
 	}
+	kfree(cipher_api);
 
 	return 0;
 bad_mem: