mddev->sync_thread can be set to NULL on kzalloc failure downstream. The patch checks for such a scenario and frees allocated resources. Signed-off-by: Aditya Pakki <pakki001@xxxxxxx> --- drivers/md/raid10.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index abb5d382f64d..f52b4d9bcd24 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3939,6 +3939,8 @@ static int raid10_run(struct mddev *mddev) set_bit(MD_RECOVERY_RUNNING, &mddev->recovery); mddev->sync_thread = md_register_thread(md_do_sync, mddev, "reshape"); + if (!mddev->sync_thread) + goto out_free_conf; } return 0; -- 2.17.1