linux-kernel - [PATCH] mlx4: Fix missing error code in mlx4_load

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Date:   Fri, 23 Jul 2021 18:36:09 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     tariqt@...dia.com
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] mlx4: Fix missing error code in mlx4_load_one()

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'err'.

Eliminate the follow smatch warning:

drivers/net/ethernet/mellanox/mlx4/main.c:3538 mlx4_load_one() warn:
missing error code 'err'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Fixes: 7ae0e400cd93 ("net/mlx4_core: Flexible (asymmetric) allocation of
EQs and MSI-X vectors for PF/VFs")
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/ethernet/mellanox/mlx4/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 00c8465..28ac469 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -3535,6 +3535,7 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data,
 
 		if (!SRIOV_VALID_STATE(dev->flags)) {
 			mlx4_err(dev, "Invalid SRIOV state\n");
+			err = -EINVAL;
 			goto err_close;
 		}
 	}
-- 
1.8.3.1