linux-kernel - Re: [PATCH 4/4 v2] silicom: checkpatch: errors caused by macros

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Message-ID: <1371498132.2213.7.camel@joe-AO722>
Date:	Mon, 17 Jun 2013 12:42:12 -0700
From:	Joe Perches <joe@...ches.com>
To:	Lorenz Haspel <lorenz@...gers.com>
Cc:	devel@...uxdriverproject.org, gregkh@...uxfoundation.org,
	puff65537@...sheeslibrary.com, viro@...iv.linux.org.uk,
	michael.banken@...he.stud.uni-erlangen.de,
	dan.carpenter@...cle.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	linux-kernel@...informatik.uni-erlangen.de
Subject: Re: [PATCH 4/4 v2] silicom: checkpatch: errors caused by macros

On Mon, 2013-06-17 at 21:20 +0200, Lorenz Haspel wrote:
> fixed checkpatch error:
> added parenthesis around complex macro.
> 
> Macro with return was only used once in the code,
> so I expandet it in-place.
[]
> diff --git a/drivers/staging/silicom/bpctl_mod.c b/drivers/staging/silicom/bpctl_mod.c
[]
> -#define lock_bpctl()					\
> -if (down_interruptible(&bpctl_sema)) {			\
> -	return -ERESTARTSYS;				\
> -}							\
> -
>  #define unlock_bpctl()					\
>  	up(&bpctl_sema);

Symmetry please.

Most likely, this unlock_bpctl macro is only used once too.
I suggest removing it as well.


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