From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] socket: use iov_length()
Date: Wed, 14 Jan 2015 16:45:28 -0500 (EST)
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References: <1421230070-4104-1-git-send-email-nicolas.dichtel@6wind.com>
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From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Wed, 14 Jan 2015 11:07:50 +0100

> @@ -883,10 +883,8 @@ static ssize_t do_sock_read(struct msghdr *msg, struct kiocb *iocb,
>  {
>  	struct socket *sock = file->private_data;
>  	size_t size = 0;
> -	int i;
>  
> -	for (i = 0; i < nr_segs; i++)
> -		size += iov[i].iov_len;
> +	size = iov_length(iov, nr_segs);

In both of these cases you can now remove the initialization of size to '0'.