netdev - Re: [PATCH] skbuff: make skb_put

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Message-ID: <1497565397.2518.18.camel@sipsolutions.net>
Date:   Fri, 16 Jun 2017 00:23:17 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Joe Perches <joe@...ches.com>, David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] skbuff: make skb_put_zero() return void

On Thu, 2017-06-15 at 15:17 -0700, Joe Perches wrote:

> Here's a script that does the conversion.
> 
> $ /usr/bin/git grep -P --name-only
> "\*\s*skb_put\s*\(\s*([\w\.\[\]\>\-]+)\s*,\s*1\s*\)\s*=\s*([^;]+);" |
> \
>   xargs perl -p -i -e 's/\*\s*skb_put\s*\(\s*([\w\.\[\]\>\-
> ]+)\s*,\s*1\s*\)\s*=\s*([^;]+);/skb_put_char(\1, \2);/'

Btw, this is incomplete - you have "\*\s*" at the beginning, but there
are cases like

 *(skb_put(skb, 1)) = c;

where you have extra parentheses. By just adding them to the spatch, it
finds both cases trivially.

I'm much more comfortable using spatch to do things like this.

johannes