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Subject[PATCH] mlx5: ensure 0 is returned when vport is zero
From: Colin Ian King <>

Currently, if vport is zero then then an uninialized return status
in err is returned. Since the only return status at the end of the
function esw_add_uc_addr is zero for the current set of return paths
we may as well just return 0 rather than err to fix this issue.

Detected by CoverityScan, CID#1452698 ("Uninitialized scalar variable")

Fixes: eeb66cdb6826 ("net/mlx5: Separate between E-Switch and MPFS")
Signed-off-by: Colin Ian King <>
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 6d9fb6ac6e9b..c77f4c0c7769 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -401,7 +401,7 @@ static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM fr(%p)\n",
vport, mac, vaddr->flow_rule);

- return err;
+ return 0;

static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
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