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Subject[PATCH 4.14 027/267] net/mlx5: Release resource on error flow
Date
From: Moni Shoua <monis@mellanox.com>

[ Upstream commit 698114968a22f6c0c9f42e983ba033cc36bb7217 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/qp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
index 889130edb7152..5f091c6ea049d 100644
--- 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 *dev, u32 rsn, int event_type)
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) {
@@ -138,7 +138,7 @@ void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)
default:
mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
}
-
+out:
mlx5_core_put_rsc(common);
}

--
2.20.1


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