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From:   Ben Hutchings <ben@decadent.org.uk>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
CC:     akpm@linux-foundation.org, Denis Kirjanov <kda@linux-powerpc.org>,
        "David Teigland" <teigland@redhat.com>,
        "Vasily Averin" <vvs@virtuozzo.com>
Date:   Tue, 02 Apr 2019 14:38:27 +0100
Message-ID: <lsq.1554212307.210113089@decadent.org.uk>
Subject: [PATCH 3.16 06/99] dlm: possible memory leak on error path in
 create_lkb()
In-Reply-To: <lsq.1554212307.17110877@decadent.org.uk>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

3.16.65-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Vasily Averin <vvs@virtuozzo.com>

commit 23851e978f31eda8b2d01bd410d3026659ca06c7 upstream.

Fixes 3d6aa675fff9 ("dlm: keep lkbs in idr")

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 fs/dlm/lock.c | 1 +
 1 file changed, 1 insertion(+)

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