netdev - Re: [PATCH]: Third (final?) release of Sun Neptune driver

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Date:	Fri, 5 Oct 2007 14:21:48 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Ariel.Hendel@....com, greg.onufer@....com,
	Ashley.Saulsbury@....com, Matheos.Worku@....com
Subject: Re: [PATCH]: Third (final?) release of Sun Neptune driver

On Fri, 05 Oct 2007 17:14:31 -0400
Jeff Garzik <jeff@...zik.org> wrote:

> David Miller wrote:
> > From: Stephen Hemminger <shemminger@...ux-foundation.org>
> > Date: Fri, 5 Oct 2007 08:40:36 -0700
> > 
> >> WARNING: braces {} are not necessary for single statement blocks
> >> #691: FILE: drivers/net/niu.c:603:
> >> +	if (lp->loopback_mode == LOOPBACK_PHY) {
> >> +		test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK <<
> >> +				  ENET_SERDES_TEST_MD_0_SHIFT) |
> >> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
> >> +				  ENET_SERDES_TEST_MD_1_SHIFT) |
> >> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
> >> +				  ENET_SERDES_TEST_MD_2_SHIFT) |
> >> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
> >> +				  ENET_SERDES_TEST_MD_3_SHIFT));
> >> +	}
> > 
> > This is why I don't run checkpatch on my work.
> 
> IMO it -is- useful.
> 
> You just have to ignore some of its complaints.  Part of my coding style 
> includes the multiple assignment thing that checkpatch complains about:
> 
> 	status =
> 	msi->status = br32(QDMA_STAT);
> 
> and I am not going to stop doing that just because checkpatch complains :)
> 
> 
> > This statement is a "single statement" but it's broken up
> > into multiple lines for readability, and it make perfect
> > sense to put braces around this basic block so it's easier
> > for humans to see what's going on.
> 
> Strongly agreed.
> 
> 	Jeff

Agreed, don't turn into a bot.
All it's complaints don't have to be fixed, same goes for sparse.
It just helps catch unintentional cruft.

-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
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