net/mlx4_core: Removed unnecessary bit operation condition

Fix the "warn: suspicious bitop condition" made by the smatch semantic
checker on:
drivers/net/ethernet/mellanox/mlx4/main.c:509 mlx4_slave_cap()

Signed-off-by: Eyal Perry <[email protected]>
Signed-off-by: Amir Vadai <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5db97a4fdc01037cf4ae19d4555bafa845bde023..a56f6012258d50059e97cf9343a51adc367154e6 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -104,8 +104,6 @@ module_param(enable_64b_cqe_eqe, bool, 0444);
 MODULE_PARM_DESC(enable_64b_cqe_eqe,
                 "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)");
 
-#define HCA_GLOBAL_CAP_MASK            0
-
 #define PF_CONTEXT_BEHAVIOUR_MASK      MLX4_FUNC_CAP_64B_EQE_CQE
 
 static char mlx4_version[] =
@@ -582,9 +580,10 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
                return err;
        }
 
-       /*fail if the hca has an unknown capability */
-       if ((hca_param.global_caps | HCA_GLOBAL_CAP_MASK) !=
-           HCA_GLOBAL_CAP_MASK) {
+       /* fail if the hca has an unknown global capability
+        * at this time global_caps should be always zeroed
+        */
+       if (hca_param.global_caps) {
                mlx4_err(dev, "Unknown hca global capabilities\n");
                return -ENOSYS;
        }