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-rw-r--r--fs/notify/fanotify/fanotify_user.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index f6ac6a2fa91e..9163a6ed67d2 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -776,7 +776,10 @@ SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
case FAN_MARK_REMOVE:
if (!mask)
return -EINVAL;
+ break;
case FAN_MARK_FLUSH:
+ if (flags & ~(FAN_MARK_MOUNT | FAN_MARK_FLUSH))
+ return -EINVAL;
break;
default:
return -EINVAL;