inotify/dnotify: should_send_event shouldn't match on FS_EVENT_ON_CHILD

inotify and dnotify will both indicate that they want any event which came
from a child inode.  The fix is to mask off FS_EVENT_ON_CHILD when deciding
if inotify or dnotify is interested in a given event.

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 160da5486839..7ef75b83247e 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -95,6 +95,7 @@ static bool inotify_should_send_event(struct fsnotify_group *group, struct inode
         if (!entry)
                 return false;
 
+        mask = (mask & ~FS_EVENT_ON_CHILD);
         send = (entry->mask & mask);
 
         /* find took a reference */