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-rw-r--r--fs/notify/mark.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index e14587d..f104d56 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -135,9 +135,6 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark)
mark->flags &= ~FSNOTIFY_MARK_FLAG_ALIVE;
- /* 1 from caller and 1 for being on i_list/g_list */
- BUG_ON(atomic_read(&mark->refcnt) < 2);
-
spin_lock(&group->mark_lock);
if (mark->flags & FSNOTIFY_MARK_FLAG_INODE) {
@@ -182,6 +179,11 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark)
iput(inode);
/*
+ * We don't necessarily have a ref on mark from caller so the above iput
+ * may have already destroyed it. Don't touch from now on.
+ */
+
+ /*
* it's possible that this group tried to destroy itself, but this
* this mark was simultaneously being freed by inode. If that's the
* case, we finish freeing the group here.
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