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[4.19,194/639] RDMA/mlx5: Fix memory leak in case we fail to add an IB device

Message ID 20200124093111.376671852@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Jan. 24, 2020, 9:26 a.m. UTC 
From: Mark Bloch <markb@mellanox.com>

[ Upstream commit fc9e4477f924e84d7798f7a1d41401d699de1219 ]

Make sure the IB device is freed on failure.

Fixes: b5ca15ad7e61 ("IB/mlx5: Add proper representors support")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/mlx5/ib_rep.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
index 35a0e04c38f28..b841589c27c9c 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.c
+++ b/drivers/infiniband/hw/mlx5/ib_rep.c
@@ -69,8 +69,10 @@  mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
 	ibdev->mdev = dev;
 	ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
 			       MLX5_CAP_GEN(dev, num_vhca_ports));
-	if (!__mlx5_ib_add(ibdev, &rep_profile))
+	if (!__mlx5_ib_add(ibdev, &rep_profile)) {
+		ib_dealloc_device(&ibdev->ib_dev);
 		return -EINVAL;
+	}
 
 	rep->rep_if[REP_IB].priv = ibdev;