From: "Jon Medhurst (Tixy)" <tixy@linaro.org>
To: Sasha Levin <sasha.levin@oracle.com>
Cc: linux-kernel@vger.kernel.org,
Russell King <linux@arm.linux.org.uk>,
Will Deacon <will.deacon@arm.com>, Jon Medhurst <tixy@yxit.co.uk>,
Leif Lindholm <leif.lindholm@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: kprobes: use BUG_ON where possible
Date: Fri, 09 Nov 2012 09:26:23 +0000 [thread overview]
Message-ID: <1352453183.3236.5.camel@linaro1.home> (raw)
In-Reply-To: <1352406191-14303-4-git-send-email-sasha.levin@oracle.com>
On Thu, 2012-11-08 at 15:23 -0500, Sasha Levin wrote:
> Just use BUG_ON() instead of constructions such as:
>
> if (...)
> BUG()
>
> A simplified version of the semantic patch that makes this transformation
> is as follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression e;
> @@
> - if (e) BUG();
> + BUG_ON(e);
> // </smpl>
>
> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
I'm not sure that trivial changes like this are worth it, but equally,
they're not worth having a discussion about, so...
Acked-by: Jon Medhurst <tixy@linaro.org>
> ---
> arch/arm/kernel/kprobes-test.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c
> index 1862d8f..0fb370d 100644
> --- a/arch/arm/kernel/kprobes-test.c
> +++ b/arch/arm/kernel/kprobes-test.c
> @@ -1212,8 +1212,7 @@ static int register_test_probe(struct test_probe *probe)
> {
> int ret;
>
> - if (probe->registered)
> - BUG();
> + BUG_ON(probe->registered);
>
> ret = register_kprobe(&probe->kprobe);
> if (ret >= 0) {
next prev parent reply other threads:[~2012-11-09 9:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-08 20:23 [PATCH] vmxnet3: convert BUG_ON(true) into a simple BUG() Sasha Levin
2012-11-08 20:23 ` [PATCH] alpha: use BUG_ON where possible Sasha Levin
2012-11-08 21:42 ` Jiri Kosina
2012-11-09 16:23 ` Sasha Levin
2012-11-12 14:43 ` Jiri Kosina
2012-11-12 15:03 ` Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: gic: " Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: kprobes: " Sasha Levin
2012-11-09 9:26 ` Jon Medhurst (Tixy) [this message]
2012-11-08 20:23 ` [PATCH] ARM: EXYNOS: " Sasha Levin
2012-11-12 15:12 ` Maarten Lankhorst
2012-11-12 15:23 ` Russell King - ARM Linux
2012-11-12 15:52 ` Sasha Levin
2012-11-12 15:25 ` Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: integrator: " Sasha Levin
2012-11-12 20:44 ` Arnd Bergmann
2012-11-17 18:41 ` Linus Walleij
2012-11-08 20:23 ` [PATCH] ARM: OMAP1: " Sasha Levin
2012-11-12 23:21 ` Tony Lindgren
2012-11-08 20:23 ` [PATCH] ARM: dma: " Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: versatile: " Sasha Levin
2012-11-09 6:02 ` [PATCH] vmxnet3: convert BUG_ON(true) into a simple BUG() Shreyas Bhatewara
2012-11-09 22:03 ` David Miller
2012-11-11 22:27 ` Ryan Mallon
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