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>

parent 08a8f308

fs/kernfs/mount.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);