Re: [PATCH] lib/radix-tree: Fix uninitialized variable compilation warning

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Thu, Nov 10, 2022 at 01:00:42PM +0800, Rong Tao wrote:
>  	radix_tree_load_root(root, &node, &maxindex);
> -	if (index > maxindex)
> +	if (index > maxindex || !node)
>  		return NULL;

No, stop it, you don't know what you're doing.