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From: Christoffer Holmstedt <christoffer@christofferholmstedt.se>
To: Alexander Aring <alex.aring@gmail.com>
Cc: linux-wpan@vger.kernel.org
Subject: Re: [RFC wpan-tools] info: add frequency output to channel listing
Date: Mon, 1 Jun 2015 08:12:44 +0200	[thread overview]
Message-ID: <20150601061244.GA3435@probook-6560b> (raw)
In-Reply-To: <20150531122448.GB1476@omega>

On Sun, May 31, 2015 at 02:24:49PM +0200, Alexander Aring wrote:
> On Fri, May 29, 2015 at 12:16:03PM +0000, Christoffer Holmstedt wrote:
> >  
> >  	if (tb_msg[NL802154_ATTR_CHANNEL])
> > -		printf("current_channel: %d\n", nla_get_u8(tb_msg[NL802154_ATTR_CHANNEL]));
> > +	{
> > +		unsigned char curr_channel;
> > +		curr_channel = nla_get_u8(tb_msg[NL802154_ATTR_CHANNEL]);
> > +		printf("current_channel: %d (", curr_channel);
> > +		print_freq(nla_get_u8(tb_msg[NL802154_ATTR_PAGE]), curr_channel);
> 
> Also this is problematic, because we don't check before if
> tb_msg[NL802154_ATTR_PAGE] isn't null.
> 
> When you like to use this value there, the easiest way would be:
> 
> if (tb_msg[NL802154_ATTR_CHANNEL] && tb_msg[NL802154_ATTR_PAGE])
> 
> instead of
> 
> if (tb_msg[NL802154_ATTR_CHANNEL]) above.
> 
> - Alex

Of course, will fix that.

-- 
Christoffer Holmstedt

      reply	other threads:[~2015-06-01  6:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-29 12:16 [RFC wpan-tools] info: add frequency output to channel listing Christoffer Holmstedt
2015-05-31 11:37 ` Alexander Aring
2015-06-01  8:02   ` Christoffer Holmstedt
2015-05-31 12:24 ` Alexander Aring
2015-06-01  6:12   ` Christoffer Holmstedt [this message]

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