From: Mark Bloch <markb@mellanox.com>
Date: Mon, 11 Feb 2019 15:40:54 +0000 (+0200)
Subject: RDMA/mlx5: Fix memory leak in case we fail to add an IB device
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fc9e4477f924e84d7798f7a1d41401d699de1219;p=linux.git

RDMA/mlx5: Fix memory leak in case we fail to add an IB device

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>
---

diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
index 6d7b8bad4b610..95ac97af6166d 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.c
+++ b/drivers/infiniband/hw/mlx5/ib_rep.c
@@ -78,8 +78,10 @@ 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;