1 files changed, 3 insertions, 0 deletions

diff --git a/fs/filesystems.c b/fs/filesystems.c
index 68ba492d8eef..751d6b255a12 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -115,6 +115,9 @@ int unregister_filesystem(struct file_system_type * fs)
                 tmp = &(*tmp)->next;
         }
         write_unlock(&file_systems_lock);
+
+        synchronize_rcu();
+
         return -EINVAL;
 }