diff options
| -rw-r--r-- | fs/notify/fanotify/fanotify.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index 58772623f02a..cc78e2fbc8e4 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -16,12 +16,6 @@ static bool should_merge(struct fsnotify_event *old_fsn, { struct fanotify_event_info *old, *new; -#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS - /* dont merge two permission events */ - if ((old_fsn->mask & FAN_ALL_PERM_EVENTS) && - (new_fsn->mask & FAN_ALL_PERM_EVENTS)) - return false; -#endif pr_debug("%s: old=%p new=%p\n", __func__, old_fsn, new_fsn); old = FANOTIFY_E(old_fsn); new = FANOTIFY_E(new_fsn); @@ -42,6 +36,16 @@ static struct fsnotify_event *fanotify_merge(struct list_head *list, pr_debug("%s: list=%p event=%p\n", __func__, list, event); +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + /* + * Don't merge a permission event with any other event so that we know + * the event structure we have created in fanotify_handle_event() is the + * one we should check for permission response. + */ + if (event->mask & FAN_ALL_PERM_EVENTS) + return NULL; +#endif + list_for_each_entry_reverse(test_event, list, list) { if (should_merge(test_event, event)) { do_merge = true; @@ -195,13 +199,10 @@ static int fanotify_handle_event(struct fsnotify_group *group, fsnotify_destroy_event(group, fsn_event); if (IS_ERR(notify_fsn_event)) return PTR_ERR(notify_fsn_event); - /* We need to ask about a different events after a merge... */ - event = FANOTIFY_E(notify_fsn_event); - fsn_event = notify_fsn_event; } #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS - if (fsn_event->mask & FAN_ALL_PERM_EVENTS) + if (mask & FAN_ALL_PERM_EVENTS) ret = fanotify_get_response_from_access(group, event); #endif return ret; |