linux-kernel - Re: [PATCH net-next] wireless: test sscanf return values

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Date:	Fri, 27 Feb 2015 04:36:19 -0800
From:	Joe Perches <joe@...ches.com>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] wireless: test sscanf return values

On Fri, 2015-02-27 at 10:35 +0000, David Laight wrote:
> From: Joe Perches
> > At some point, it'd be good to make sscanf use __must_check
> > so make sure the net/ uses of sscanf use the return value.
> 
> Isn't it much safer to avoid sscanf() completely and use
> a different function for converting numerics?

It's generally better to use something other than sscanf.
That doesn't mean sscanf isn't useful.



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