From: David Brownell <david-b@pacbell.net>
To: Jeff Garzik <jeff@garzik.org>
Cc: dbrownell@users.sourceforge.net, Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] SPI: improve sysfs compiler complaint handling
Date: Thu, 12 Oct 2006 11:08:59 -0700 [thread overview]
Message-ID: <200610121108.59727.david-b@pacbell.net> (raw)
In-Reply-To: <20061012014920.GA13000@havoc.gtf.org>
On Wednesday 11 October 2006 6:49 pm, Jeff Garzik wrote:
> The compiler complains, even with the "(void)".
> - (void) device_for_each_child(master->cdev.dev, NULL, __unregister);
Sure seems like a compiler bug to me. For over two decades, casting
a value into the void has been a standard idiom for saying "ignore
that value" ... ISTR using it to get rid of "unused value" warnings
with LINT on BSD 4.1 systems.
Does anyone know why the GCC folk have decided to go against decades
of common practice here???
- Dave
next prev parent reply other threads:[~2006-10-12 18:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-12 1:49 [PATCH] SPI: improve sysfs compiler complaint handling Jeff Garzik
2006-10-12 18:08 ` David Brownell [this message]
2006-10-12 18:24 ` Andrew Morton
2006-10-12 18:46 ` David Brownell
2006-10-12 19:08 ` Arjan van de Ven
2006-10-12 18:39 ` Arjan van de Ven
2006-10-12 19:07 ` David Brownell
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