linux-kernel - Re: [PATCH] make checkpatch warn about access to current->comm

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Message-Id: <20090128145534.D46A.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Tue, 27 Jan 2009 14:58:51 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Kyle McMartin <kyle@...radead.org>
Cc:	kosaki.motohiro@...fujitsu.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Bartelmus <lirc@...telmus.de>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [PATCH] make checkpatch warn about access to current->comm

> On Tue, Jan 27, 2009 at 02:50:18PM +0900, KOSAKI Motohiro wrote:
> > I think "char tcomm[sizeof(current->comm)];" is valid code.
> > if checkpatch.pl don't warn "sizeof(current->comm)", I'm glad.
> 
> Awfully interesting way of writing TASK_COMM_LEN :)

I don't think so awfully.
I think "sizeof(array_val)" is typical code in kernel.

I agree that we can rewrite s/tcomm[sizeof(current->comm)]/char tcomm[TASK_COMM_LEN]/.
but it's annoyed.



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