+
+ spin_lock(&de->pde_unload_lock);
+ /*
+ * Stop accepting new callers into module. If you're
+ * dynamically allocating ->proc_fops, save a pointer somewhere.
+ */
+ de->proc_fops = NULL;
+ /* Wait until all existing callers into module are done. */
+ if (de->pde_users > 0) {
+ DECLARE_COMPLETION_ONSTACK(c);
+
+ if (!de->pde_unload_completion)
+ de->pde_unload_completion = &c;
+
+ spin_unlock(&de->pde_unload_lock);
+ spin_unlock(&proc_subdir_lock);
+
+ wait_for_completion(de->pde_unload_completion);
+
+ spin_lock(&proc_subdir_lock);
+ goto continue_removing;
+ }
+ spin_unlock(&de->pde_unload_lock);
+
+continue_removing: