fanotify: ignore events on directories unless specifically requested

[mv-sheeva.git] / fs / notify / fanotify / fanotify.c

diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 8d98e1f5817b79d789f5d19c488e30c07e0e021d..b04f88eed09e98b6134f275cb7ba530a06e7f998 100644 (file)
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -131,6 +131,7 @@ static int fanotify_handle_event(struct fsnotify_group *group,
        BUILD_BUG_ON(FAN_Q_OVERFLOW != FS_Q_OVERFLOW);
        BUILD_BUG_ON(FAN_OPEN_PERM != FS_OPEN_PERM);
        BUILD_BUG_ON(FAN_ACCESS_PERM != FS_ACCESS_PERM);
+       BUILD_BUG_ON(FAN_ONDIR != FS_ISDIR);
 
        pr_debug("%s: group=%p event=%p\n", __func__, group, event);
 
@@ -195,6 +196,10 @@ static bool fanotify_should_send_event(struct fsnotify_group *group,
                BUG();
        }
 
+       if (S_ISDIR(path->dentry->d_inode->i_mode) &&
+           (marks_ignored_mask & FS_ISDIR))
+               return false;
+
        if (event_mask & marks_mask & ~marks_ignored_mask)
                return true;