net/mlx4_en: Fix UP limit in ieee_ets->prio_tc

User priority limit has to be less than MLX4_EN_NUM_UP. Signed-off-by: Amir Vadai <[email protected]> Signed-off-by: Eugenia Emantayev <[email protected]> Signed-off-by: David S. Miller <[email protected]>
sum-it · Mar 3, 2014 · fd8daa4 · fd8daa4
1 parent 80cbfd3
commit fd8daa4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
@@ -62,7 +62,7 @@ static int mlx4_en_ets_validate(struct mlx4_en_priv *priv, struct ieee_ets *ets)
 	int has_ets_tc = 0;
 
 	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
-		if (ets->prio_tc[i] > MLX4_EN_NUM_UP) {
+		if (ets->prio_tc[i] >= MLX4_EN_NUM_UP) {
 			en_err(priv, "Bad priority in UP <=> TC mapping. TC: %d, UP: %d\n",
 					i, ets->prio_tc[i]);
 			return -EINVAL;