4.19-stable review patch. If anyone has any objections, please let me know.
------------------ From: Leon Romanovsky <[email protected]> [ Upstream commit e54b6a3bcd1ec972b25a164bdf495d9e7120b107 ] Add missing check for failure of cm_init_av_by_path Fixes: e1444b5a163e ("IB/cm: Fix automatic path migration support") Reported-by: Slava Shwartsman <[email protected]> Reviewed-by: Parav Pandit <[email protected]> Signed-off-by: Leon Romanovsky <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/infiniband/core/cm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3292,8 +3292,11 @@ static int cm_lap_handler(struct cm_work if (ret) goto unlock; - cm_init_av_by_path(param->alternate_path, NULL, &cm_id_priv->alt_av, - cm_id_priv); + ret = cm_init_av_by_path(param->alternate_path, NULL, + &cm_id_priv->alt_av, cm_id_priv); + if (ret) + goto unlock; + cm_id_priv->id.lap_state = IB_CM_LAP_RCVD; cm_id_priv->tid = lap_msg->hdr.tid; ret = atomic_inc_and_test(&cm_id_priv->work_count);
