RDMA/cxgb4: Detach from the LLD after unregistering RDMA device

In the RDMA core unregister path, kernel users will be calling down
into the T4 provider to release resources.  So we cannot detach from
the LLD until this process completes.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index be23b5eab13..c7e2484e721 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -504,14 +504,12 @@ static void __exit c4iw_exit_module(void)
 {
         struct c4iw_dev *dev, *tmp;
 
-        cxgb4_unregister_uld(CXGB4_ULD_RDMA);
-
         mutex_lock(&dev_mutex);
         list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
                 c4iw_remove(dev);
         }
         mutex_unlock(&dev_mutex);
-
+        cxgb4_unregister_uld(CXGB4_ULD_RDMA);
         c4iw_cm_term();
         debugfs_remove_recursive(c4iw_debugfs_root);
 }