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Date:   Sat, 16 May 2020 07:06:33 +0800
From:   Tang Bin <tangbin@...s.chinamobile.com>
To:     saeedm@...lanox.com, davem@...emloft.net, leon@...nel.org
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Tang Bin <tangbin@...s.chinamobile.com>,
        Zhang Shengju <zhangshengju@...s.chinamobile.com>,
        Leon Romanovsky <leonro@...lanox.com>
Subject: [PATCH v2] net/mlx5e: Use IS_ERR() to check and simplify code

Use IS_ERR() and PTR_ERR() instead of PTR_ERR_OR_ZERO() to
simplify code, avoid redundant judgements.

Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
Reviewed-by: Leon Romanovsky <leonro@...lanox.com>
---
Changes from v1
 - fix the commit message for typo.
---
 drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
index af4ebd295..00e7add0b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -93,9 +93,8 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv,
 	}
 
 	rt = ip_route_output_key(dev_net(mirred_dev), fl4);
-	ret = PTR_ERR_OR_ZERO(rt);
-	if (ret)
-		return ret;
+	if (IS_ERR(rt))
+		return PTR_ERR(rt);
 
 	if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) {
 		ip_rt_put(rt);
-- 
2.20.1.windows.1



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