From: Vasily Averin <vvs@virtuozzo.com>
Date: Thu, 15 Nov 2018 10:18:18 +0000 (+0300)
Subject: dlm: possible memory leak on error path in create_lkb()
X-Git-Tag: v3.18.132~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96c0e283b5b2a1da9b7ec252fde14f2107f61bd4;p=thirdparty%2Fkernel%2Fstable.git

dlm: possible memory leak on error path in create_lkb()

commit 23851e978f31eda8b2d01bd410d3026659ca06c7 upstream.

Fixes 3d6aa675fff9 ("dlm: keep lkbs in idr")
Cc: stable@kernel.org # 3.1

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 83f3d5520307f..ba1718a8183dc 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1210,6 +1210,7 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
 
 	if (rv < 0) {
 		log_error(ls, "create_lkb idr error %d", rv);
+		dlm_free_lkb(lkb);
 		return rv;
 	}