netdev - [net 11/15] net/mlx5: Bridge, set debugfs access right to root-only

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Date: Wed, 26 Jul 2023 14:32:02 -0700
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>,
	Vlad Buslov <vladbu@...dia.com>,
	Gal Pressman <gal@...dia.com>
Subject: [net 11/15] net/mlx5: Bridge, set debugfs access right to root-only

From: Vlad Buslov <vladbu@...dia.com>

As suggested during code review set the access rights for bridge 'fdb'
debugfs file to root-only.

Fixes: 791eb78285e8 ("net/mlx5: Bridge, expose FDB state via debugfs")
Reported-by: Jakub Kicinski <kuba@...nel.org>
Link: https://lore.kernel.org/netdev/20230619120515.5045132a@kernel.org/
Signed-off-by: Vlad Buslov <vladbu@...dia.com>
Reviewed-by: Gal Pressman <gal@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c
index b6a45eff28f5..dbd7cbe6cbf3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_debugfs.c
@@ -64,7 +64,7 @@ void mlx5_esw_bridge_debugfs_init(struct net_device *br_netdev, struct mlx5_esw_
 
 	bridge->debugfs_dir = debugfs_create_dir(br_netdev->name,
 						 bridge->br_offloads->debugfs_root);
-	debugfs_create_file("fdb", 0444, bridge->debugfs_dir, bridge,
+	debugfs_create_file("fdb", 0400, bridge->debugfs_dir, bridge,
 			    &mlx5_esw_bridge_debugfs_fops);
 }
 
-- 
2.41.0