On Fri, Jul 15, 2016 at 1:12 AM, Haozhong Zhang
<haozhong.zh...@intel.com> wrote:
> On 07/15/16 15:55, Haozhong Zhang wrote:
>> On 07/14/16 20:28, Dan Williams wrote:
>> > acpi_evaluate_object() allocates memory. Free the buffer allocated
>> > during acpi_nfit_add().
>> >
>> > Cc: <sta...@vger.kernel.org>
>> > Cc: Vishal Verma <vishal.l.ve...@intel.com>
>> > Reported-by: Xiao Guangrong <guangrong.x...@intel.com>
>> > Reported-by: Haozhong Zhang <haozhong.zh...@intel.com>
>> > Signed-off-by: Dan Williams <dan.j.willi...@intel.com>
>> > ---
>> >  drivers/acpi/nfit.c |    7 +++++--
>> >  1 file changed, 5 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
>> > index 0497175ee6cb..008dbaaa2b75 100644
>> > --- a/drivers/acpi/nfit.c
>> > +++ b/drivers/acpi/nfit.c
>> > @@ -2414,12 +2414,15 @@ static int acpi_nfit_add(struct acpi_device *adev)
>> >                     acpi_desc->nfit =
>> >                             (struct acpi_nfit_header *)obj->buffer.pointer;
>> >                     sz = obj->buffer.length;
>> > +                   rc = acpi_nfit_init(acpi_desc, sz);
>> >             } else
>> >                     dev_dbg(dev, "%s invalid type %d, ignoring _FIT\n",
>> >                              __func__, (int) obj->type);
>>
>> 'rc' is not set in this path, so it maybe used uninitialized by 'if (rc)' 
>> below.
>> Should we set it to a non-zero value in this path?
>
> 'rc' should be set to 0 here, as what patch 2 does. Sorry for my mistake.

No, this is good feedback because patch1 is targeted for -stable. Will
fix, thanks!
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