linux-kernel - Re: [PATCH] xtensa: fix build failure in xtensa/kernel/signal.c

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Date:	Thu, 19 Apr 2012 14:02:59 +0100
From:	Matt Fleming <matt.fleming@...el.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	linux-kernel@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>,
	Chris Zankel <chris@...kel.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] xtensa: fix build failure in xtensa/kernel/signal.c

On Thu, 2012-04-19 at 08:46 -0400, Paul Gortmaker wrote:
> On 12-04-19 03:45 AM, Matt Fleming wrote:
> > On Wed, 2012-04-18 at 16:50 -0400, Paul Gortmaker wrote:
> >> Caused by commit 3785006ac3c8941feb63097c416de92114a6bc39
> >>
> >>     "xtensa: don't mask signals if we fail to setup signal stack"
> >>
> >> It assigns a return value to "ret", but there is no such variable
> >> anywhere in scope.  Create one.
> >>
> >> Cc: Matt Fleming <matt.fleming@...el.com>
> >> Cc: Oleg Nesterov <oleg@...hat.com>
> >> Cc: Chris Zankel <chris@...kel.net>
> >> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> >>
> >> diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
> >> index b69b000..d78869a 100644
> >> --- a/arch/xtensa/kernel/signal.c
> >> +++ b/arch/xtensa/kernel/signal.c
> >> @@ -496,6 +496,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
> >>  	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
> >>  
> >>  	if (signr > 0) {
> >> +		int ret;
> >>  
> >>  		/* Are we from a system call? */
> >>  
> > 
> > Whoops! Thanks Paul, that's my bad. Looks like I went code-blind after
> > making the same kinds of changes to lots of different architectures.
> > 
> > I've added Andrew to the Cc list since he picked up the last set of
> > xtensa signal patches.
> 
> Looks like I'll have a queue of build fixes from various other less
> common architectures, so I can carry this one in my for-3.4 queue
> (since 3785006a is already in master).
> 
> I'll add an acked-by from you.

Sure, that's fine by me.

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