linux-kernel - Re: [PATCH -next 0/3] seq_printf/puts/putc: Start to convert to return void

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Message-Id: <20131211.002040.1061939246483044835.davem@davemloft.net>
Date:	Wed, 11 Dec 2013 00:20:40 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	viro@...iv.linux.org.uk, keescook@...omium.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org,
	coreteam@...filter.org, netdev@...r.kernel.org,
	b.a.t.m.a.n@...ts.open-mesh.org
Subject: Re: [PATCH -next 0/3] seq_printf/puts/putc: Start to convert to
 return void

From: Joe Perches <joe@...ches.com>
Date: Tue, 10 Dec 2013 21:12:41 -0800

> Many uses of the return value of seq_printf/seq_puts/seq_putc are
> incorrect.  Many assume that the return value is the number of
> chars emitted into a buffer like printf/puts/putc.
> 
> It would be better to make the return value of these functions void
> to avoid these misuses.
> 
> Start to do so.
> Convert seq_overflow to a public function from a static function.
> 
> Remove the return uses of seq_printf/seq_puts/seq_putc from net.
> Add a seq_overflow function call instead.

I'm fine with this going in whatever tree is appropriate for
the seq_overflow un-static change:

Acked-by: David S. Miller <davem@...emloft.net>
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