[PATCH AUTOSEL 5.2 150/171] net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn
From: Sasha Levin <sashal@kernel.org>
Date: 2019-07-19 04:02:00
Also in:
linux-rdma, lkml, stable
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Aya Levin <redacted>
[ 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 <redacted>
Reviewed-by: Feras Daoud <redacted>
Signed-off-by: Saeed Mahameed <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 9ca492b430d8..603d294757b4 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