[5.6,025/177] net/mlx5: Fix memory leak in mlx5_events_init
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Message ID 20200601174050.884588189@linuxfoundation.org
State New
Headers show
Series
  • Untitled series #446659
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Commit Message

Greg KH June 1, 2020, 5:52 p.m. UTC
From: Moshe Shemesh <moshe@mellanox.com>

[ Upstream commit df14ad1eccb04a4a28c90389214dbacab085b244 ]

Fix memory leak in mlx5_events_init(), in case
create_single_thread_workqueue() fails, events
struct should be freed.

Fixes: 5d3c537f9070 ("net/mlx5: Handle event of power detection in the PCIE slot")
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/events.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch
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--- a/drivers/net/ethernet/mellanox/mlx5/core/events.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c
@@ -346,8 +346,10 @@  int mlx5_events_init(struct mlx5_core_de
 	events->dev = dev;
 	dev->priv.events = events;
 	events->wq = create_singlethread_workqueue("mlx5_events");
-	if (!events->wq)
+	if (!events->wq) {
+		kfree(events);
 		return -ENOMEM;
+	}
 	INIT_WORK(&events->pcie_core_work, mlx5_pcie_event);
 
 	return 0;