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From: Alok Tiwari <alok.a.tiwari@oracle.com>
To: tariqt@nvidia.com, andrew+netdev@lunn.ch, kuba@kernel.org,
	davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
	horms@kernel.org, netdev@vger.kernel.org
Cc: alok.a.tiwarilinux@gmail.com, alok.a.tiwari@oracle.com
Subject: [PATCH net-next] mlx4: correct error reporting in mlx4_master_process_vhcr()
Date: Thu,  9 Apr 2026 02:27:47 -0700	[thread overview]
Message-ID: <20260409092754.508880-1-alok.a.tiwari@oracle.com> (raw)

mlx4_master_process_vhcr() logs vhcr->errno on failures, but this field
is never populated by the PF path. As a result, all failures are reported
with errno 0 and err print in status case which is misleading.

Use the actual return value (err) instead, translate it to FW status
before logging, and report both values.

Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
---
 drivers/net/ethernet/mellanox/mlx4/cmd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index de0193d82ec1..bdaf152e6712 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1782,6 +1782,7 @@ static int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave,
 	}
 
 	if (err) {
+		vhcr_cmd->status = mlx4_errno_to_status(err);
 		if (!(dev->persist->state & MLX4_DEVICE_STATE_INTERNAL_ERROR)) {
 			if (vhcr->op == MLX4_CMD_ALLOC_RES &&
 			    (vhcr->in_modifier & 0xff) == RES_COUNTER &&
@@ -1791,9 +1792,8 @@ static int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave,
 					 slave, err);
 			else
 				mlx4_warn(dev, "vhcr command:0x%x slave:%d failed with error:%d, status %d\n",
-					  vhcr->op, slave, vhcr->errno, err);
+					  vhcr->op, slave, err, vhcr_cmd->status);
 		}
-		vhcr_cmd->status = mlx4_errno_to_status(err);
 		goto out_status;
 	}
 
-- 
2.50.1


             reply	other threads:[~2026-04-09  9:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-09  9:27 Alok Tiwari [this message]
2026-04-13 20:13 ` [PATCH net-next] mlx4: correct error reporting in mlx4_master_process_vhcr() Tariq Toukan
2026-04-13 21:30 ` patchwork-bot+netdevbpf

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