lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 12 May 2014 10:43:21 +0300
From:	Amir Vadai <amirv@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Amir Vadai <amirv@...lanox.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Eyal Perry <eyalpe@...lanox.com>
Subject: [PATCH net-next 5/9] net/mlx4_core: Removed unnecessary bit operation condition

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

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;
 	}
-- 
1.8.3.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists