From: Dmytro Linkin dlinkin@nvidia.com
[ Upstream commit 5c4e8ae7aa4875041102406801ee434e6c581aef ]
If log_esw_max_sched_depth is not supported group pointer of the vport is NULL. Hence, check the pointer before reading bw_share value.
Fixes: 0fe132eac38c ("net/mlx5: E-switch, Allow to add vports to rate groups") Signed-off-by: Dmytro Linkin dlinkin@nvidia.com Reviewed-by: Roi Dayan roid@nvidia.com Signed-off-by: Saeed Mahameed saeedm@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c index 4501e3d737f80..d377ddc70fc70 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c @@ -130,7 +130,7 @@ static u32 esw_qos_calculate_min_rate_divider(struct mlx5_eswitch *esw, /* If vports min rate divider is 0 but their group has bw_share configured, then * need to set bw_share for vports to minimal value. */ - if (!group_level && !max_guarantee && group->bw_share) + if (!group_level && !max_guarantee && group && group->bw_share) return 1; return 0; }