linux-kernel - [PATCH 3.16 06/99] dlm: possible memory leak on error path in create

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

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

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

From: Vasily Averin <vvs@...tuozzo.com>

commit 23851e978f31eda8b2d01bd410d3026659ca06c7 upstream.

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

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
Signed-off-by: David Teigland <teigland@...hat.com>
Signed-off-by: Ben Hutchings <ben@...adent.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;
 	}