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Date:   Thu,  6 Feb 2020 12:57:07 -0800
From:   Saeed Mahameed <>
To:     "David S. Miller" <>
Cc:, Raed Salem <>,
        Boris Pismenny <>,
        Saeed Mahameed <>
Subject: [net 2/5] net/mlx5: IPsec, Fix esp modify function attribute

From: Raed Salem <>

The function mlx5_fpga_esp_validate_xfrm_attrs is wrongly used
with negative negation as zero value indicates success but it
used as failure return value instead.

Fix by remove the unary not negation operator.

Fixes: 05564d0ae075 ("net/mlx5: Add flow-steering commands for FPGA IPSec implementation")
Signed-off-by: Raed Salem <>
Reviewed-by: Boris Pismenny <>
Signed-off-by: Saeed Mahameed <>
 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 e4ec0e03c289..4ed4d4d8e073 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
@@ -1478,7 +1478,7 @@ int mlx5_fpga_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
 	if (!memcmp(&xfrm->attrs, attrs, sizeof(xfrm->attrs)))
 		return 0;
-	if (!mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) {
+	if (mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) {
 		mlx5_core_warn(mdev, "Tried to create an esp with unsupported attrs\n");
 		return -EOPNOTSUPP;

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