linux-kernel - Re: [PATCH] eccbuf is statically defined and always evaluate to true

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Message-Id: <2007-10-19-21-58-47+trackit+sam@rfc1149.net>
Date:	Fri, 19 Oct 2007 21:58:47 +0200
From:	Samuel Tardieu <sam@...1149.net>
To:	Jörn Engel <joern@...fs.org>
Cc:	linux-mtd@...ts.infradead.org, trivial@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eccbuf is statically defined and always evaluate to
	true

On 19/10, Jörn Engel wrote:

| I assume you don't actually use this driver and just ran make
| randconfig or allyesconfig or so..

I tried the latest svn tip of GCC and it looks like this warning is
quite recent (and I happened to have this driver enabled as a module
in my kernel):

drivers/mtd/devices/doc2000.c: In function ‘doc_read’:
drivers/mtd/devices/doc2000.c:635: warning: the address of ‘eccbuf’ will always evaluate as ‘true’
drivers/mtd/devices/doc2000.c: In function ‘doc_write’:
drivers/mtd/devices/doc2000.c:899: warning: the address of ‘eccbuf’ will always evaluate as ‘true’
drivers/mtd/devices/doc2001plus.c: In function ‘doc_write’:
drivers/mtd/devices/doc2001plus.c:751: warning: the address of ‘eccbuf’ will always evaluate as ‘true’

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