summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw
diff options
context:
space:
mode:
authorMatan Barak <matanb@mellanox.com>2016-11-10 11:30:55 +0200
committerDoug Ledford <dledford@redhat.com>2016-11-16 20:03:44 -0500
commit593ff73bcfdc79f79a8a0df55504f75ad3e5d1a9 (patch)
treeee53147d4228608b6c83ba2d9fde51916da8af2c /drivers/infiniband/hw
parent37995116fecfce2b61ee3da6e73b3e394c6818f9 (diff)
IB/mlx4: Fix create CQ error flow
Currently, if ib_copy_to_udata fails, the CQ won't be deleted from the radix tree and the HW (HW2SW). Fixes: 225c7b1feef1 ('IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters') Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 1ea686b9e0f9..6a0fec357dae 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -253,11 +253,14 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
if (context)
if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof (__u32))) {
err = -EFAULT;
- goto err_dbmap;
+ goto err_cq_free;
}
return &cq->ibcq;
+err_cq_free:
+ mlx4_cq_free(dev->dev, &cq->mcq);
+
err_dbmap:
if (context)
mlx4_ib_db_unmap_user(to_mucontext(context), &cq->db);