linux-kernel - Re: [PATCH] the wrong variable checked after request

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Message-Id: <1184535638.25235.15.camel@localhost.localdomain>
Date:	Mon, 16 Jul 2007 07:40:38 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Al Viro <viro@....linux.org.uk>
Cc:	torvalds@...ux-foundation.org, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] the wrong variable checked after request_irq()

On Sun, 2007-07-15 at 20:59 +0100, Al Viro wrote:
> Signed-off-by: Al Viro <viro@...iv.linux.org.uk>

Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>

Out of curiosity, how did you pick it up ? You have some automated tool
to catch that (or sparse changes) or you just did -lots- of code
inspection ?

Cheers,
Ben.

> ---
>  arch/powerpc/platforms/pseries/setup.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
> index 470db6e..a031d99 100644
> --- a/arch/powerpc/platforms/pseries/setup.c
> +++ b/arch/powerpc/platforms/pseries/setup.c
> @@ -176,7 +176,7 @@ static void __init pseries_mpic_init_IRQ(void)
>  		return;
>  
>  	cascade_irq = irq_of_parse_and_map(cascade, 0);
> -	if (cascade == NO_IRQ) {
> +	if (cascade_irq == NO_IRQ) {
>  		printk(KERN_ERR "mpic: failed to map cascade interrupt");
>  		return;
>  	}

-
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