WARN_ON(entry->d_flags & DCACHE_INOTIFY_PARENT_WATCHED);
spin_lock(&entry->d_lock);
parent = entry->d_parent;
- if (inotify_inode_watched(parent->d_inode))
+ if (parent->d_inode && inotify_inode_watched(parent->d_inode))
entry->d_flags |= DCACHE_INOTIFY_PARENT_WATCHED;
spin_unlock(&entry->d_lock);
}
inode = watch->inode;
mutex_lock(&inode->inotify_mutex);
mutex_lock(&dev->mutex);
- remove_watch_no_event(watch, dev);
+
+ /* make sure we didn't race with another list removal */
+ if (likely(idr_find(&dev->idr, watch->wd)))
+ remove_watch_no_event(watch, dev);
+
mutex_unlock(&dev->mutex);
mutex_unlock(&inode->inotify_mutex);
put_inotify_watch(watch);
mutex_lock(&dev->mutex);
/* make sure that we did not race */
- watch = idr_find(&dev->idr, wd);
- if (likely(watch))
+ if (likely(idr_find(&dev->idr, wd) == watch))
remove_watch(watch, dev);
mutex_unlock(&dev->mutex);