kernfs: deal with kernfs_fill_super() failures

make sure that info->node is initialized early, so that kernfs_kill_sb()
can list_del() it safely.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-04-03 00:22:29 -04:00
parent 08a8f30868
commit 82382acec0

View File

@ -316,6 +316,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
info->root = root;
info->ns = ns;
INIT_LIST_HEAD(&info->node);
sb = sget_userns(fs_type, kernfs_test_super, kernfs_set_super, flags,
&init_user_ns, info);