linux-kernel - Re: [PATCH] ACPICA: Don't leak next_walk_state in acpi_ds_call_control

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Message-ID: <alpine.LNX.2.00.0811251440440.1109@swampdragon.chaosbits.net>
Date:	Tue, 25 Nov 2008 14:42:09 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Len Brown <lenb@...nel.org>, Lin Ming <ming.m.lin@...el.com>,
	Bob Moore <robert.moore@...el.com>
Subject: Re: [PATCH] ACPICA: Don't leak next_walk_state in
 acpi_ds_call_control_method()

On Thu, 25 Oct 2012, Rafael J. Wysocki wrote:

> On Sunday 21 of October 2012 22:35:46 Jesper Juhl wrote:
> > If acpi_ds_create_walk_state() succeeds, but the call to
> > ACPI_ALLOCATE_ZEROED() fails, then we'll return from the function
> > without properly freeing 'next_walk_state'.
> > 
> > Signed-off-by: Jesper Juhl <jj@...osbits.net>
> 
> This has to go through ACPICA upstream, but we'll get it from there eventually.
> 

Ok. I haven't heard any response to this other than yours, so I guess I'll 
just re-send it in a few days if I still hear nothing.

Can I add your ACK when I re-send?

/Jesper


> Thanks,
> Rafael
> 
> 
> > ---
> >  drivers/acpi/acpica/dsmethod.c |    3 ++-
> >  1 files changed, 2 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
> > index aa9a5d4..ade59a3 100644
> > --- a/drivers/acpi/acpica/dsmethod.c
> > +++ b/drivers/acpi/acpica/dsmethod.c
> > @@ -378,7 +378,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
> >  	 */
> >  	info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
> >  	if (!info) {
> > -		return_ACPI_STATUS(AE_NO_MEMORY);
> > +		status = AE_NO_MEMORY;
> > +		goto cleanup;
> >  	}
> >  
> >  	info->parameters = &this_walk_state->operands[0];
> > 
> 

-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
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