From: Moni Shoua <monis@mellanox.com>
Subject: net/mlx5: Release resource on error flow
Patch-mainline: v5.0-rc1
Git-commit: 698114968a22f6c0c9f42e983ba033cc36bb7217
References: git-fixes

Fix reference counting leakage when the event handler aborts due to an
unsupported event for the resource type.

Fixes: a14c2d4beee5 ("net/mlx5_core: Warn on unsupported events of QP/RQ/SQ")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Denis Kirjanov <dkirjanov@suse.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/qp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
@@ -124,7 +124,7 @@ void mlx5_rsc_event(struct mlx5_core_dev
 	if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
 		mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
 			       event_type, rsn);
-		return;
+		goto out;
 	}
 
 	switch (common->res) {
@@ -139,6 +139,7 @@ void mlx5_rsc_event(struct mlx5_core_dev
 		mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
 	}
 
+out:
 	mlx5_core_put_rsc(common);
 }