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[net-next,V2,5/8] net/mlx4_core: Removed unnecessary bit operation condition

Message ID 1400058917-26313-6-git-send-email-ogerlitz@mellanox.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Or Gerlitz May 14, 2014, 9:15 a.m. UTC 
From: Eyal Perry <eyalpe@mellanox.com>

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 <eyalpe@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/main.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index df2c1fb..e74847d 100644
--- 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;
 	}