RE: [PATCH] net: fix bogus cast in skb_pagelen() and use unsigned variables

[David Laight]

From: Alexey Dobriyan
> Sent: 19 November 2016 01:08
...
> -     for (i = (int)skb_shinfo(skb)->nr_frags - 1; i >= 0; i--)
> +     for (i = skb_shinfo(skb)->nr_frags - 1; (int)i >= 0; i--)
>               len += skb_frag_size(&skb_shinfo(skb)->frags[i]);

Think I'd use:
        for (i = skb_shinfo(skb)->nr_frags; i-- != 0; )

        David