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* [patch] suspend: off by one in pm_suspend()
@ 2011-09-20  7:03 Dan Carpenter
  2011-09-21 19:02 ` Rafael J. Wysocki
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2011-09-20  7:03 UTC (permalink / raw)
  To: kernel-janitors

In enter_state() we use "state" as an offset for the pm_states[]
array.  The pm_states[] array only has PM_SUSPEND_MAX elements so
this test is off by one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 1d58583..4953dc0 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -321,7 +321,7 @@ int enter_state(suspend_state_t state)
 int pm_suspend(suspend_state_t state)
 {
 	int ret;
-	if (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX) {
+	if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX) {
 		ret = enter_state(state);
 		if (ret) {
 			suspend_stats.fail++;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] suspend: off by one in pm_suspend()
  2011-09-20  7:03 [patch] suspend: off by one in pm_suspend() Dan Carpenter
@ 2011-09-21 19:02 ` Rafael J. Wysocki
  0 siblings, 0 replies; 2+ messages in thread
From: Rafael J. Wysocki @ 2011-09-21 19:02 UTC (permalink / raw)
  To: kernel-janitors

On Tuesday, September 20, 2011, Dan Carpenter wrote:
> In enter_state() we use "state" as an offset for the pm_states[]
> array.  The pm_states[] array only has PM_SUSPEND_MAX elements so
> this test is off by one.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied to linux-pm/linux-next, will be pushed for 3.2.

Thanks,
Rafael


> diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
> index 1d58583..4953dc0 100644
> --- a/kernel/power/suspend.c
> +++ b/kernel/power/suspend.c
> @@ -321,7 +321,7 @@ int enter_state(suspend_state_t state)
>  int pm_suspend(suspend_state_t state)
>  {
>  	int ret;
> -	if (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX) {
> +	if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX) {
>  		ret = enter_state(state);
>  		if (ret) {
>  			suspend_stats.fail++;
> 
> 


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-09-20  7:03 [patch] suspend: off by one in pm_suspend() Dan Carpenter
2011-09-21 19:02 ` Rafael J. Wysocki

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