prepare_for_access_response() checks whether
group->fanotify_data.bypass_perm is set. However this test can never be
true because prepare_for_access_response() is called only from
fanotify_read() which means fanotify group is alive with an active fd
while bypass_perm is set from fanotify_release() when all file
descriptors pointing to the group are closed and the group is going
away.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/notify/fanotify/fanotify_user.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index b6175fa11bf8..4ad8b711bfde 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -211,14 +211,6 @@ static int prepare_for_access_response(struct fsnotify_group *group,
re->fd = fd;
mutex_lock(&group->fanotify_data.access_mutex);
-
- if (atomic_read(&group->fanotify_data.bypass_perm)) {
- mutex_unlock(&group->fanotify_data.access_mutex);
- kmem_cache_free(fanotify_response_event_cache, re);
- FANOTIFY_E(event)->response = FAN_ALLOW;
- return 0;
- }
-
list_add_tail(&re->list, &group->fanotify_data.access_list);
mutex_unlock(&group->fanotify_data.access_mutex);
--
1.8.1.4
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