diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index f22a04005db21145add6647352ff6b3e3848078b..a0e40f7c9781ce61534d2e251a830f8d29f34045 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -550,7 +550,9 @@ void inotify_ignored_and_remove_idr(struct fsnotify_mark_entry *entry,
 /* ding dong the mark is dead */
 static void inotify_free_mark(struct fsnotify_mark_entry *entry)
 {
-	struct inotify_inode_mark_entry *ientry = (struct inotify_inode_mark_entry *)entry;
+	struct inotify_inode_mark_entry *ientry;
+
+	ientry = container_of(entry, struct inotify_inode_mark_entry, fsn_entry);
 
 	kmem_cache_free(inotify_inode_mark_cachep, ientry);
 }