[PATCH AUTOSEL 5.1 121/141] net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn

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From: Aya Levin <ayal@xxxxxxxxxxxx>

[ Upstream commit ef1ce7d7b67b46661091c7ccc0396186b7a247ef ]

Check return value from mlx5e_attach_netdev, add error path on failure.

Fixes: 48935bbb7ae8 ("net/mlx5e: IPoIB, Add netdevice profile skeleton")
Signed-off-by: Aya Levin <ayal@xxxxxxxxxxxx>
Reviewed-by: Feras Daoud <ferasda@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 4eac42555c7d..5d0783e55f42 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -698,7 +698,9 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num,
 
 	prof->init(mdev, netdev, prof, ipriv);
 
-	mlx5e_attach_netdev(epriv);
+	err = mlx5e_attach_netdev(epriv);
+	if (err)
+		goto detach;
 	netif_carrier_off(netdev);
 
 	/* set rdma_netdev func pointers */
@@ -714,6 +716,11 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num,
 
 	return 0;
 
+detach:
+	prof->cleanup(epriv);
+	if (ipriv->sub_interface)
+		return err;
+	mlx5e_destroy_mdev_resources(mdev);
 destroy_ht:
 	mlx5i_pkey_qpn_ht_cleanup(netdev);
 	return err;
-- 
2.20.1




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