fsnotify: check to make sure all fsnotify bits are unique
This patch adds a check to make sure that all fsnotify bits are unique and we
cannot accidentally use the same bit for 2 different fsnotify event types.
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 9810bab..076c10e 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -275,6 +275,8 @@
static __init int fsnotify_init(void)
{
+ BUG_ON(hweight32(ALL_FSNOTIFY_EVENTS) != 23);
+
return init_srcu_struct(&fsnotify_grp_srcu);
}
subsys_initcall(fsnotify_init);