netdev - [net V2 4/9] net/mlx5: Fix fw reporter diagnose output

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Message-ID: <20240302070318.62997-5-saeed@kernel.org>
Date: Fri,  1 Mar 2024 23:03:13 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
	netdev@...r.kernel.org,
	Tariq Toukan <tariqt@...dia.com>,
	Gal Pressman <gal@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>,
	Aya Levin <ayal@...dia.com>,
	Moshe Shemesh <moshe@...dia.com>
Subject: [net V2 4/9] net/mlx5: Fix fw reporter diagnose output

From: Aya Levin <ayal@...dia.com>

Restore fw reporter diagnose to print the syndrome even if it is zero.
Following the cited commit, in this case (syndrome == 0) command returns no
output at all.

This fix restores command output in case syndrome is cleared:
$ devlink health diagnose pci/0000:82:00.0 reporter fw
    Syndrome: 0

Fixes: d17f98bf7cc9 ("net/mlx5: devlink health: use retained error fmsg API")
Signed-off-by: Aya Levin <ayal@...dia.com>
Reviewed-by: Moshe Shemesh <moshe@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/health.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 8ff6dc9bc803..b5c709bba155 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -452,10 +452,10 @@ mlx5_fw_reporter_diagnose(struct devlink_health_reporter *reporter,
 	struct health_buffer __iomem *h = health->health;
 	u8 synd = ioread8(&h->synd);
 
+	devlink_fmsg_u8_pair_put(fmsg, "Syndrome", synd);
 	if (!synd)
 		return 0;
 
-	devlink_fmsg_u8_pair_put(fmsg, "Syndrome", synd);
 	devlink_fmsg_string_pair_put(fmsg, "Description", hsynd_str(synd));
 
 	return 0;
-- 
2.44.0