RDMA/mlx4: Make check for invalid flags stricter

[linux-2.6-block.git] / drivers / infiniband / hw / mlx4 / qp.c

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 456656617c33f280530487aebf0d669cc05e7597..9d08aa99f3cb064bc55e467f2f1bfa7c2413698b 100644 (file)
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -565,15 +565,15 @@ static int set_qp_rss(struct mlx4_ib_dev *dev, struct mlx4_ib_rss *rss_ctx,
                return (-EOPNOTSUPP);
        }
 
-       if (ucmd->rx_hash_fields_mask & ~(MLX4_IB_RX_HASH_SRC_IPV4      |
-                                         MLX4_IB_RX_HASH_DST_IPV4      |
-                                         MLX4_IB_RX_HASH_SRC_IPV6      |
-                                         MLX4_IB_RX_HASH_DST_IPV6      |
-                                         MLX4_IB_RX_HASH_SRC_PORT_TCP  |
-                                         MLX4_IB_RX_HASH_DST_PORT_TCP  |
-                                         MLX4_IB_RX_HASH_SRC_PORT_UDP  |
-                                         MLX4_IB_RX_HASH_DST_PORT_UDP  |
-                                         MLX4_IB_RX_HASH_INNER)) {
+       if (ucmd->rx_hash_fields_mask & ~(u64)(MLX4_IB_RX_HASH_SRC_IPV4 |
+                                              MLX4_IB_RX_HASH_DST_IPV4 |
+                                              MLX4_IB_RX_HASH_SRC_IPV6 |
+                                              MLX4_IB_RX_HASH_DST_IPV6 |
+                                              MLX4_IB_RX_HASH_SRC_PORT_TCP |
+                                              MLX4_IB_RX_HASH_DST_PORT_TCP |
+                                              MLX4_IB_RX_HASH_SRC_PORT_UDP |
+                                              MLX4_IB_RX_HASH_DST_PORT_UDP |
+                                              MLX4_IB_RX_HASH_INNER)) {
                pr_debug("RX Hash fields_mask has unsupported mask (0x%llx)\n",
                         ucmd->rx_hash_fields_mask);
                return (-EOPNOTSUPP);