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>

diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index be23b5eab13b194aa0c90e0da7cb92c6416d897e..c7e2484e721902b7c7c310aae13771a4fbd83f05 100644 (file)
--- 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);
 }