[SRU][N:linux-bluefield][PATCH v1 3/4] net/mlx5e: Fix lock order in mlx5e_tx_reporter_ptpsq_unhealthy_recover

[Stav Aviram]

From: Cosmin Ratiu <cratiu at nvidia.com>

BugLink: https://bugs.launchpad.net/bugs/2126876

RTNL needs to be acquired before state_lock.

Fixes: fdce06bda7e5 ("net/mlx5e: Acquire RTNL lock before RQs/SQs activation/deactivation")
Signed-off-by: Cosmin Ratiu <cratiu at nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea at nvidia.com>
Signed-off-by: Mark Bloch <mbloch at nvidia.com>
Link: https://patch.msgid.link/20250423083611.324567-5-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba at kernel.org>
(cherry picked from commit 1c2940ec0ddf51c689ee9ab85ead85c11b77809d)
Signed-off-by: Stav Aviram <saviram at nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index ec5bb09d94e9..c70a19ea524d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -173,6 +173,7 @@ static int mlx5e_tx_reporter_ptpsq_unhealthy_recover(void *ctx)
 
 	priv = ptpsq->txqsq.priv;
 
+	rtnl_lock();
 	mutex_lock(&priv->state_lock);
 	chs = &priv->channels;
 	netdev = priv->netdev;
@@ -192,6 +193,7 @@ static int mlx5e_tx_reporter_ptpsq_unhealthy_recover(void *ctx)
 		netif_carrier_on(netdev);
 
 	mutex_unlock(&priv->state_lock);
+	rtnl_unlock();
 
 	return err;
 }
-- 
2.38.1