cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status

[mirror_ubuntu-bionic-kernel.git] / kernel / audit_tree.c

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index d4b050d9a66ec74e7e5fa48201514ef0e14841e5..fd353120e0d946f3d3bb3ac98f3903aebbf42c76 100644 (file)
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -1008,7 +1008,7 @@ static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify
         * We are guaranteed to have at least one reference to the mark from
         * either the inode or the caller of fsnotify_destroy_mark().
         */
-       BUG_ON(atomic_read(&entry->refcnt) < 1);
+       BUG_ON(refcount_read(&entry->refcnt) < 1);
 }
 
 static const struct fsnotify_ops audit_tree_ops = {