* [PATCH] ACPI: pass correct parameter to acpi_processor_ffh_cstate_probe_cpu()
@ 2009-03-12 7:45 Wu Fengguang
2009-03-16 2:59 ` Len Brown
0 siblings, 1 reply; 3+ messages in thread
From: Wu Fengguang @ 2009-03-12 7:45 UTC (permalink / raw)
To: Andrew Morton
Cc: LKML, ACPI Devel Maling List, Rusty Russell, Ingo Molnar,
Venkatesh Pallipadi, Len Brown, Zhao Yakui
This fixes a NULL pointer dereference bug introduced by 6e911954cac.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 6626e8c..b866b87 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -137,7 +137,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
/* Run acpi_processor_ffh_cstate_probe_cpu() on the target CPU */
retval = smp_call_function_single(cpu,
- acpi_processor_ffh_cstate_probe_cpu, cx, 1);
+ acpi_processor_ffh_cstate_probe_cpu, &cxcc, 1);
if (retval == 0) {
retval = cxcc.retval;
if (retval == 0) {
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] ACPI: pass correct parameter to acpi_processor_ffh_cstate_probe_cpu()
2009-03-12 7:45 [PATCH] ACPI: pass correct parameter to acpi_processor_ffh_cstate_probe_cpu() Wu Fengguang
@ 2009-03-16 2:59 ` Len Brown
2009-03-16 4:43 ` Wu Fengguang
0 siblings, 1 reply; 3+ messages in thread
From: Len Brown @ 2009-03-16 2:59 UTC (permalink / raw)
To: Wu Fengguang
Cc: Andrew Morton, LKML, ACPI Devel Maling List, Rusty Russell,
Ingo Molnar, Venkatesh Pallipadi, Len Brown, Zhao Yakui
On Thu, 12 Mar 2009, Wu Fengguang wrote:
> This fixes a NULL pointer dereference bug introduced by 6e911954cac.
What tree is this patch on top of?
thanks,
-Len Brown
Intel Open Source Technology Center
> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
> ---
> diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
> index 6626e8c..b866b87 100644
> --- a/arch/x86/kernel/acpi/cstate.c
> +++ b/arch/x86/kernel/acpi/cstate.c
> @@ -137,7 +137,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
> /* Run acpi_processor_ffh_cstate_probe_cpu() on the target CPU */
>
> retval = smp_call_function_single(cpu,
> - acpi_processor_ffh_cstate_probe_cpu, cx, 1);
> + acpi_processor_ffh_cstate_probe_cpu, &cxcc, 1);
> if (retval == 0) {
> retval = cxcc.retval;
> if (retval == 0) {
> --
> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] ACPI: pass correct parameter to acpi_processor_ffh_cstate_probe_cpu()
2009-03-16 2:59 ` Len Brown
@ 2009-03-16 4:43 ` Wu Fengguang
0 siblings, 0 replies; 3+ messages in thread
From: Wu Fengguang @ 2009-03-16 4:43 UTC (permalink / raw)
To: Len Brown
Cc: Andrew Morton, LKML, ACPI Devel Maling List, Rusty Russell,
Ingo Molnar, Pallipadi, Venkatesh, Brown, Len, Zhao, Yakui
On Mon, Mar 16, 2009 at 10:59:19AM +0800, Len Brown wrote:
> On Thu, 12 Mar 2009, Wu Fengguang wrote:
>
> > This fixes a NULL pointer dereference bug introduced by 6e911954cac.
>
> What tree is this patch on top of?
It's for 2.6.29-rc7-next-20090311. Already fixed in other trees?
Thanks,
Fengguang
> thanks,
> -Len Brown
> Intel Open Source Technology Center
>
> > Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
> > ---
> > diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
> > index 6626e8c..b866b87 100644
> > --- a/arch/x86/kernel/acpi/cstate.c
> > +++ b/arch/x86/kernel/acpi/cstate.c
> > @@ -137,7 +137,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
> > /* Run acpi_processor_ffh_cstate_probe_cpu() on the target CPU */
> >
> > retval = smp_call_function_single(cpu,
> > - acpi_processor_ffh_cstate_probe_cpu, cx, 1);
> > + acpi_processor_ffh_cstate_probe_cpu, &cxcc, 1);
> > if (retval == 0) {
> > retval = cxcc.retval;
> > if (retval == 0) {
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> >
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2009-03-16 4:44 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2009-03-12 7:45 [PATCH] ACPI: pass correct parameter to acpi_processor_ffh_cstate_probe_cpu() Wu Fengguang
2009-03-16 2:59 ` Len Brown
2009-03-16 4:43 ` Wu Fengguang
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