4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guoqing Jiang <gqjiang@xxxxxxxx> [ Upstream commit 9c8043f337f14d1743006dfc59c03e80a42e3884 ] To avoid memory leak, we need to free the cinfo which is allocated when node join cluster. Reviewed-by: NeilBrown <neilb@xxxxxxxx> Signed-off-by: Guoqing Jiang <gqjiang@xxxxxxxx> Signed-off-by: Shaohua Li <shli@xxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/md/md-cluster.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -821,6 +821,7 @@ static int leave(struct mddev *mddev) lockres_free(cinfo->no_new_dev_lockres); lockres_free(cinfo->bitmap_lockres); dlm_release_lockspace(cinfo->lockspace, 2); + kfree(cinfo); return 0; }