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[5.11,511/601] net/mlx5: Fix bit-wise and with zero

Message ID 20210512144844.675345985@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 12, 2021, 2:49 p.m. UTC 
From: Colin Ian King <colin.king@canonical.com>

[ Upstream commit 82c3ba31c370b6001cbf90689e98da1fb6f26aef ]

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@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
index 22bee4990232..bb61f52d782d 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_simple_remove(&fipsec->halloc, sa_ctx->sa_handle);