[PATCH] ACPI: clean up compiler warning about uninitialized field

[PATCH] ACPI: clean up compiler warning about uninitialized field

[al.stone]

From: Al Stone <ahs3@redhat.com>

Initialize pwr_btn_status as disabled which (a) makes sure it is
in a proper state to start, and (b) cleans up a compiler warning
about an uninitialized variable.

Signed-off-by: Al Stone <al.stone@linaro.org>
---
 drivers/acpi/sleep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 14df305..721e949 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 	 * generate wakeup events.
 	 */
 	if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
-		acpi_event_status pwr_btn_status;
+		acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
 
 		acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
 
-- 
1.8.3.1

Re: [PATCH] ACPI: clean up compiler warning about uninitialized field

[Rafael J. Wysocki]

On Wednesday, November 20, 2013 03:45:51 PM al.stone@linaro.org wrote:
> From: Al Stone <ahs3@redhat.com>
> 
> Initialize pwr_btn_status as disabled which (a) makes sure it is
> in a proper state to start, and (b) cleans up a compiler warning
> about an uninitialized variable.
> 
> Signed-off-by: Al Stone <al.stone@linaro.org>

Queued up for the next ACPI pull request, thanks!

> ---
>  drivers/acpi/sleep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
> index 14df305..721e949 100644
> --- a/drivers/acpi/sleep.c
> +++ b/drivers/acpi/sleep.c
> @@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
>  	 * generate wakeup events.
>  	 */
>  	if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
> -		acpi_event_status pwr_btn_status;
> +		acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
>  
>  		acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
>  
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

Re: [PATCH] ACPI: clean up compiler warning about uninitialized field

[Rafael J. Wysocki]

On Thursday, November 21, 2013 01:34:37 AM Rafael J. Wysocki wrote:
> On Wednesday, November 20, 2013 03:45:51 PM al.stone@linaro.org wrote:
> > From: Al Stone <ahs3@redhat.com>

BTW, is it your intention to use different addresses for From: and
Signed-off-by?

I don't think it is formally invalid, but it certainly *is* confusing.

> > Initialize pwr_btn_status as disabled which (a) makes sure it is
> > in a proper state to start, and (b) cleans up a compiler warning
> > about an uninitialized variable.
> > 
> > Signed-off-by: Al Stone <al.stone@linaro.org>
> 
> Queued up for the next ACPI pull request, thanks!
> 
> > ---
> >  drivers/acpi/sleep.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
> > index 14df305..721e949 100644
> > --- a/drivers/acpi/sleep.c
> > +++ b/drivers/acpi/sleep.c
> > @@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
> >  	 * generate wakeup events.
> >  	 */
> >  	if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
> > -		acpi_event_status pwr_btn_status;
> > +		acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
> >  
> >  		acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
> >  
> > 
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

Re: [PATCH] ACPI: clean up compiler warning about uninitialized field

[Al Stone]

On 11/20/2013 05:43 PM, Rafael J. Wysocki wrote:
> On Thursday, November 21, 2013 01:34:37 AM Rafael J. Wysocki wrote:
>> On Wednesday, November 20, 2013 03:45:51 PM al.stone@linaro.org wrote:
>>> From: Al Stone <ahs3@redhat.com>
>
> BTW, is it your intention to use different addresses for From: and
> Signed-off-by?
>
> I don't think it is formally invalid, but it certainly *is* confusing.

Ah, no, that was not the intent.  I'll fix my config problem.

>>> Initialize pwr_btn_status as disabled which (a) makes sure it is
>>> in a proper state to start, and (b) cleans up a compiler warning
>>> about an uninitialized variable.
>>>
>>> Signed-off-by: Al Stone <al.stone@linaro.org>
>>
>> Queued up for the next ACPI pull request, thanks!
>>
>>> ---
>>>   drivers/acpi/sleep.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
>>> index 14df305..721e949 100644
>>> --- a/drivers/acpi/sleep.c
>>> +++ b/drivers/acpi/sleep.c
>>> @@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
>>>   	 * generate wakeup events.
>>>   	 */
>>>   	if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
>>> -		acpi_event_status pwr_btn_status;
>>> +		acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
>>>
>>>   		acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
>>>
>>>
>>


-- 
ciao,
al
-----------------------------------
Al Stone
Software Engineer
Red Hat, Inc.
ahs3@redhat.com
-----------------------------------