[PATCH] RDMA/bnxt_re: Remove redundant unlock in bnxt_re_dev_init

From: Dinghao Liu
Date: Mon Aug 16 2021 - 04:56:12 EST


Commit c2b777a95923 removes all rtnl_lock() and rtnl_unlock()
in function bnxt_re_dev_init(), but forgets to remove a rtnl_unlock()
in the error handling path of bnxt_re_register_netdev(), which may
cause a deadlock. This bug is suggested by a static analysis tool,
please advise.

Fixes: c2b777a95923 ("RDMA/bnxt_re: Refactor device add/remove functionalities")
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
drivers/infiniband/hw/bnxt_re/main.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index a8688a92c760..4678bd6ec7d6 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -1397,7 +1397,6 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
memset(&rattr, 0, sizeof(rattr));
rc = bnxt_re_register_netdev(rdev);
if (rc) {
- rtnl_unlock();
ibdev_err(&rdev->ibdev,
"Failed to register with netedev: %#x\n", rc);
return -EINVAL;
--
2.17.1