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Message-Id: <20210414180605.111070-13-saeed@kernel.org>
Date:   Wed, 14 Apr 2021 11:06:01 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>,
        Colin Ian King <colin.king@...onical.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next V2 12/16] net/mlx5: Fix bit-wise and with zero

From: Colin Ian King <colin.king@...onical.com>

The bit-wise and of the action field with MLX5_ACCEL_ESP_ACTION_DECRYPT
is incorrect as MLX5_ACCEL_ESP_ACTION_DECRYPT is zero and not intended
to be a bit-flag. Fix this by using the == operator as was originally
intended.

Addresses-Coverity: ("Logically dead code")
Fixes: 7dfee4b1d79e ("net/mlx5: IPsec, Refactor SA handle creation and destruction")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
index d43a05e77f67..0b19293cdd74 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
@@ -850,7 +850,7 @@ mlx5_fpga_ipsec_release_sa_ctx(struct mlx5_fpga_ipsec_sa_ctx *sa_ctx)
 		return;
 	}
 
-	if (sa_ctx->fpga_xfrm->accel_xfrm.attrs.action &
+	if (sa_ctx->fpga_xfrm->accel_xfrm.attrs.action ==
 	    MLX5_ACCEL_ESP_ACTION_DECRYPT)
 		ida_free(&fipsec->halloc, sa_ctx->sa_handle);
 
-- 
2.30.2

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