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* [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
@ 2019-07-26  1:51 Shaokun Zhang
  2019-07-26  9:18 ` Marc Zyngier
  2019-07-26  9:32 ` [PATCH v2] " Shaokun Zhang
  0 siblings, 2 replies; 5+ messages in thread
From: Shaokun Zhang @ 2019-07-26  1:51 UTC (permalink / raw)
  To: linux-kernel; +Cc: Nianyao Tang, Thomas Gleixner, Jason Cooper, Marc Zyngier

From: Nianyao Tang <tangnianyao@huawei.com>

In its_vpe_init, when its_alloc_vpe_table fails, we should free
vpt_page allocated just before, instead of vpe->vpt_page.
Let's fix it.

Cc: Thomas Gleixner <tglx@linutronix.de> 
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 730fbe0..1b5c367 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)
 
 	if (!its_alloc_vpe_table(vpe_id)) {
 		its_vpe_id_free(vpe_id);
-		its_free_pending_table(vpe->vpt_page);
+		its_free_pending_table(vpt_page);
 		return -ENOMEM;
 	}
 
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
  2019-07-26  1:51 [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail Shaokun Zhang
@ 2019-07-26  9:18 ` Marc Zyngier
  2019-07-26  9:24   ` Zhangshaokun
  2019-07-26  9:32 ` [PATCH v2] " Shaokun Zhang
  1 sibling, 1 reply; 5+ messages in thread
From: Marc Zyngier @ 2019-07-26  9:18 UTC (permalink / raw)
  To: Shaokun Zhang; +Cc: linux-kernel, Nianyao Tang, Thomas Gleixner, Jason Cooper

On Fri, 26 Jul 2019 09:51:45 +0800
Shaokun Zhang <zhangshaokun@hisilicon.com> wrote:

> From: Nianyao Tang <tangnianyao@huawei.com>
> 
> In its_vpe_init, when its_alloc_vpe_table fails, we should free
> vpt_page allocated just before, instead of vpe->vpt_page.
> Let's fix it.
> 
> Cc: Thomas Gleixner <tglx@linutronix.de> 
> Cc: Jason Cooper <jason@lakedaemon.net>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
> ---
>  drivers/irqchip/irq-gic-v3-its.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
> index 730fbe0..1b5c367 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)
>  
>  	if (!its_alloc_vpe_table(vpe_id)) {
>  		its_vpe_id_free(vpe_id);
> -		its_free_pending_table(vpe->vpt_page);
> +		its_free_pending_table(vpt_page);
>  		return -ENOMEM;
>  	}
>  

Oops, well caught. Please repost this patch with your own SoB added
though, as you're posting the patch on behalf of someone else.

Thanks,

	M.
-- 
Without deviation from the norm, progress is not possible.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
  2019-07-26  9:18 ` Marc Zyngier
@ 2019-07-26  9:24   ` Zhangshaokun
  0 siblings, 0 replies; 5+ messages in thread
From: Zhangshaokun @ 2019-07-26  9:24 UTC (permalink / raw)
  To: Marc Zyngier; +Cc: linux-kernel, Nianyao Tang, Thomas Gleixner, Jason Cooper

Hi Marc,

On 2019/7/26 17:18, Marc Zyngier wrote:
> On Fri, 26 Jul 2019 09:51:45 +0800
> Shaokun Zhang <zhangshaokun@hisilicon.com> wrote:
> 
>> From: Nianyao Tang <tangnianyao@huawei.com>
>>
>> In its_vpe_init, when its_alloc_vpe_table fails, we should free
>> vpt_page allocated just before, instead of vpe->vpt_page.
>> Let's fix it.
>>
>> Cc: Thomas Gleixner <tglx@linutronix.de> 
>> Cc: Jason Cooper <jason@lakedaemon.net>
>> Cc: Marc Zyngier <marc.zyngier@arm.com>
>> Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
>> ---
>>  drivers/irqchip/irq-gic-v3-its.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
>> index 730fbe0..1b5c367 100644
>> --- a/drivers/irqchip/irq-gic-v3-its.c
>> +++ b/drivers/irqchip/irq-gic-v3-its.c
>> @@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)
>>  
>>  	if (!its_alloc_vpe_table(vpe_id)) {
>>  		its_vpe_id_free(vpe_id);
>> -		its_free_pending_table(vpe->vpt_page);
>> +		its_free_pending_table(vpt_page);
>>  		return -ENOMEM;
>>  	}
>>  
> 
> Oops, well caught. Please repost this patch with your own SoB added
> though, as you're posting the patch on behalf of someone else.
> 

Thanks your reminder and I will do it in v2 version.

Shaokun

> Thanks,
> 
> 	M.
> 


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH v2] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
  2019-07-26  1:51 [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail Shaokun Zhang
  2019-07-26  9:18 ` Marc Zyngier
@ 2019-07-26  9:32 ` Shaokun Zhang
  2019-07-26 13:17   ` Marc Zyngier
  1 sibling, 1 reply; 5+ messages in thread
From: Shaokun Zhang @ 2019-07-26  9:32 UTC (permalink / raw)
  To: linux-kernel
  Cc: Nianyao Tang, Thomas Gleixner, Jason Cooper, Marc Zyngier, Shaokun Zhang

From: Nianyao Tang <tangnianyao@huawei.com>

In its_vpe_init, when its_alloc_vpe_table fails, we should free
vpt_page allocated just before, instead of vpe->vpt_page.
Let's fix it.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 730fbe0e2a9d..1b5c3672aea2 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)
 
 	if (!its_alloc_vpe_table(vpe_id)) {
 		its_vpe_id_free(vpe_id);
-		its_free_pending_table(vpe->vpt_page);
+		its_free_pending_table(vpt_page);
 		return -ENOMEM;
 	}
 
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH v2] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
  2019-07-26  9:32 ` [PATCH v2] " Shaokun Zhang
@ 2019-07-26 13:17   ` Marc Zyngier
  0 siblings, 0 replies; 5+ messages in thread
From: Marc Zyngier @ 2019-07-26 13:17 UTC (permalink / raw)
  To: Shaokun Zhang; +Cc: linux-kernel, Nianyao Tang, Thomas Gleixner, Jason Cooper

On Fri, 26 Jul 2019 10:32:57 +0100,
Shaokun Zhang <zhangshaokun@hisilicon.com> wrote:
> 
> From: Nianyao Tang <tangnianyao@huawei.com>
> 
> In its_vpe_init, when its_alloc_vpe_table fails, we should free
> vpt_page allocated just before, instead of vpe->vpt_page.
> Let's fix it.
> 
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Jason Cooper <jason@lakedaemon.net>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
> ---
>  drivers/irqchip/irq-gic-v3-its.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
> index 730fbe0e2a9d..1b5c3672aea2 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)
>  
>  	if (!its_alloc_vpe_table(vpe_id)) {
>  		its_vpe_id_free(vpe_id);
> -		its_free_pending_table(vpe->vpt_page);
> +		its_free_pending_table(vpt_page);
>  		return -ENOMEM;
>  	}
>  
> -- 
> 2.7.4
> 

Applied, thanks.

	M.

-- 
Jazz is not dead, it just smells funny.

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-07-26 13:17 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2019-07-26  1:51 [PATCH] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail Shaokun Zhang
2019-07-26  9:18 ` Marc Zyngier
2019-07-26  9:24   ` Zhangshaokun
2019-07-26  9:32 ` [PATCH v2] " Shaokun Zhang
2019-07-26 13:17   ` Marc Zyngier

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