[ Upstream commit 50bbe3d34fea74b7c0fabe553c40c2f4a48bb9c3 ]
Do not decrease the reference count of resource tracker object twice in
the error flow of res_get_common_doit.
Fixes: c5dfe0ea6ffa ("RDMA/nldev: Add resource tracker doit callback")
Link: https://lore.kernel.org/r/20200507062942.98305-1-l...@kernel.org
Signed-off-by: Maor Gottlieb <ma...@mellanox.com>
Signed-off-by: Leon Romanovsky <leo...@mellanox.com>
Signed-off-by: Jason Gunthorpe <j...@mellanox.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/infiniband/core/nldev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index ef4b0c7061e4c..244ebf285fc3f 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -1248,10 +1248,10 @@ static int res_get_common_doit(struct sk_buff *skb,
struct nlmsghdr *nlh,
has_cap_net_admin = netlink_capable(skb, CAP_NET_ADMIN);
ret = fe->fill_res_func(msg, has_cap_net_admin, res, port);
- rdma_restrack_put(res);
if (ret)
goto err_free;
+ rdma_restrack_put(res);
nlmsg_end(msg, nlh);
ib_device_put(device);
return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
--
2.20.1
