ice: Fix initialization for num_nodes_added

ice_sched_add_nodes_to_layer is used recursively, and so we start
with num_nodes_added being 0. This way, in case of an error or if
num_nodes is NULL, the function just returns 0 to indicate that no
nodes were added.

Fixes: 5513b920a4f7 ("ice: Update Tx scheduler tree for VSI multi-Tx queue support")
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c
index f16ff3e4a84043e0b8a9a12d465cc4214e4484d5..2e6c1d92cc8884b2bb9755483f82c421b5d9e6f1 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_sched.c
+++ b/drivers/net/ethernet/intel/ice/ice_sched.c
@@ -751,14 +751,14 @@ ice_sched_add_nodes_to_layer(struct ice_port_info *pi,
        u16 num_added = 0;
        u32 temp;
 
+       *num_nodes_added = 0;
+
        if (!num_nodes)
                return status;
 
        if (!parent || layer < hw->sw_entry_point_layer)
                return ICE_ERR_PARAM;
 
-       *num_nodes_added = 0;
-
        /* max children per node per layer */
        max_child_nodes =
            le16_to_cpu(hw->layer_info[parent->tx_sched_layer].max_children);