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From: Joe Perches <joe@perches.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: davem@davemloft.net,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com
Subject: Re: [net 5/6] i40e: better return values
Date: Tue, 24 Sep 2013 04:34:46 -0700	[thread overview]
Message-ID: <1380022486.3575.74.camel@joe-AO722> (raw)
In-Reply-To: <1380015910-25927-6-git-send-email-jeffrey.t.kirsher@intel.com>

On Tue, 2013-09-24 at 02:45 -0700, Jeff Kirsher wrote:

> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
[]
> @@ -3339,9 +3345,7 @@ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg)
>  	/* Traffic class index starts from zero so
>  	 * increment to return the actual count
>  	 */
> -	num_tc++;
> -
> -	return num_tc;
> +	return num_tc++;

Ick.  post_increment problem.

	return ++num_tc;

There's nothing wrong with the original code
unless this is a bugfix which should be documented
better than "better return values".

  reply	other threads:[~2013-09-24 11:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-24  9:45 [net 0/6][pull request] Intel Wired LAN Driver Updates Jeff Kirsher
2013-09-24  9:45 ` [net 1/6] igb: Fix ethtool loopback test for 82580 copper Jeff Kirsher
2013-09-24  9:45 ` [net 2/6] i40e: use common failure flow Jeff Kirsher
2013-09-24  9:45 ` [net 3/6] i40e: small clean ups from review Jeff Kirsher
2013-09-24  9:45 ` [net 4/6] i40e: convert ret to aq_ret Jeff Kirsher
2013-09-24  9:45 ` [net 5/6] i40e: better return values Jeff Kirsher
2013-09-24 11:34   ` Joe Perches [this message]
2013-09-24 14:12     ` David Miller
2013-09-24 19:09       ` Jesse Brandeburg
2013-09-24  9:45 ` [net 6/6] i40e: clean up coccicheck reported errors Jeff Kirsher

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