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 cc91963..2cb125c 100644 (file)
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1209,6 +1209,7 @@ 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;
        }