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* [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
@ 2016-01-07 12:17 Jia-Ju Bai
  2016-01-11 12:13 ` Stanislaw Gruszka
  0 siblings, 1 reply; 8+ messages in thread
From: Jia-Ju Bai @ 2016-01-07 12:17 UTC (permalink / raw)
  To: sgruszka, kvalo; +Cc: linux-wireless, netdev, linux-kernel, Jia-Ju Bai

When il4965_hw_nic_init in __il4965_up fails, the memory allocated by 
iwl4965_sta_alloc_lq in iwl4965_alloc_bcast_station is not freed.

This patches adds il_dealloc_bcast_stations in the error handling code of 
__il4965_up to fix this problem.

This patch has been tested in real device, and it actually fixes the bug.

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
---
 drivers/net/wireless/iwlegacy/4965-mac.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 6656215..fd7b5c7 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
 	ret = il4965_hw_nic_init(il);
 	if (ret) {
 		IL_ERR("Unable to init nic\n");
+		il_dealloc_bcast_stations(il);
 		return ret;
 	}
 
-- 
1.7.9.5



^ permalink raw reply related	[flat|nested] 8+ messages in thread

* Re: [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
  2016-01-07 12:17 [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up Jia-Ju Bai
@ 2016-01-11 12:13 ` Stanislaw Gruszka
  0 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2016-01-11 12:13 UTC (permalink / raw)
  To: Jia-Ju Bai; +Cc: kvalo, linux-wireless, netdev, linux-kernel

On Thu, Jan 07, 2016 at 08:17:39PM +0800, Jia-Ju Bai wrote:
> When il4965_hw_nic_init in __il4965_up fails, the memory allocated by 
> iwl4965_sta_alloc_lq in iwl4965_alloc_bcast_station is not freed.
> 
> This patches adds il_dealloc_bcast_stations in the error handling code of 
> __il4965_up to fix this problem.
> 
> This patch has been tested in real device, and it actually fixes the bug.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>

Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
  2016-01-11 12:16   ` Stanislaw Gruszka
  (?)
  (?)
@ 2016-01-11 13:41   ` Jia-Ju Bai
  -1 siblings, 0 replies; 8+ messages in thread
From: Jia-Ju Bai @ 2016-01-11 13:41 UTC (permalink / raw)
  To: Stanislaw Gruszka
  Cc: kvalo, johannes.berg, emmanuel.grumbach, ilw, linuxwifi,
	linux-wireless, netdev

On 01/11/2016 08:16 PM, Stanislaw Gruszka wrote:
>
> Please do not repost patches so frequent and if you repost
> the unchanged patch mark it so i.e. [PATCH repost].
>
> Stanislaw

Sorry for my reposting.

Jia-Ju Bai


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
  2016-01-11 12:16   ` Stanislaw Gruszka
  (?)
@ 2016-01-11 12:44   ` Kalle Valo
  -1 siblings, 0 replies; 8+ messages in thread
From: Kalle Valo @ 2016-01-11 12:44 UTC (permalink / raw)
  To: Stanislaw Gruszka
  Cc: Jia-Ju Bai, johannes.berg, emmanuel.grumbach, ilw, linuxwifi,
	linux-wireless, netdev

Stanislaw Gruszka <sgruszka@redhat.com> writes:

> On Sun, Jan 10, 2016 at 10:19:23AM +0800, Jia-Ju Bai wrote:
>> diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
>> index 6656215..fd7b5c7 100644
>> --- a/drivers/net/wireless/iwlegacy/4965-mac.c
>> +++ b/drivers/net/wireless/iwlegacy/4965-mac.c
>> @@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
>>  	ret = il4965_hw_nic_init(il);
>>  	if (ret) {
>>  		IL_ERR("Unable to init nic\n");
>> +		il_dealloc_bcast_stations(il);
>>  		return ret;
>>  	}
>
> Please do not repost patches so frequent and if you repost
> the unchanged patch mark it so i.e. [PATCH repost].

"repost" just confuses me and creates more work for me. Better to ping
on the original patch and even better is to check patchwork which shows
up-to-date status of wireless patches:

https://patchwork.kernel.org/project/linux-wireless/list/

-- 
Kalle Valo

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
@ 2016-01-11 12:16   ` Stanislaw Gruszka
  0 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2016-01-11 12:16 UTC (permalink / raw)
  To: Jia-Ju Bai
  Cc: kvalo, johannes.berg, emmanuel.grumbach, ilw, linuxwifi,
	linux-wireless, netdev

On Sun, Jan 10, 2016 at 10:19:23AM +0800, Jia-Ju Bai wrote:
> diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
> index 6656215..fd7b5c7 100644
> --- a/drivers/net/wireless/iwlegacy/4965-mac.c
> +++ b/drivers/net/wireless/iwlegacy/4965-mac.c
> @@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
>  	ret = il4965_hw_nic_init(il);
>  	if (ret) {
>  		IL_ERR("Unable to init nic\n");
> +		il_dealloc_bcast_stations(il);
>  		return ret;
>  	}

Please do not repost patches so frequent and if you repost
the unchanged patch mark it so i.e. [PATCH repost].

Stanislaw

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
@ 2016-01-11 12:16   ` Stanislaw Gruszka
  0 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2016-01-11 12:16 UTC (permalink / raw)
  To: Jia-Ju Bai
  Cc: kvalo-sgV2jX0FEOL9JmXXK+q4OQ,
	johannes.berg-ral2JQCrhuEAvxtiuMwx3w,
	emmanuel.grumbach-ral2JQCrhuEAvxtiuMwx3w,
	ilw-VuQAYsv1563Yd54FQh9/CA, linuxwifi-ral2JQCrhuEAvxtiuMwx3w,
	linux-wireless-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA

On Sun, Jan 10, 2016 at 10:19:23AM +0800, Jia-Ju Bai wrote:
> diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
> index 6656215..fd7b5c7 100644
> --- a/drivers/net/wireless/iwlegacy/4965-mac.c
> +++ b/drivers/net/wireless/iwlegacy/4965-mac.c
> @@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
>  	ret = il4965_hw_nic_init(il);
>  	if (ret) {
>  		IL_ERR("Unable to init nic\n");
> +		il_dealloc_bcast_stations(il);
>  		return ret;
>  	}

Please do not repost patches so frequent and if you repost
the unchanged patch mark it so i.e. [PATCH repost].

Stanislaw
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^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
@ 2016-01-10  2:19 ` Jia-Ju Bai
  0 siblings, 0 replies; 8+ messages in thread
From: Jia-Ju Bai @ 2016-01-10  2:19 UTC (permalink / raw)
  To: sgruszka, kvalo, johannes.berg, emmanuel.grumbach
  Cc: ilw, linuxwifi, linux-wireless, netdev, Jia-Ju Bai

When il4965_hw_nic_init in __il4965_up fails, the memory allocated by 
iwl4965_sta_alloc_lq in iwl4965_alloc_bcast_station is not freed.

This patches adds il_dealloc_bcast_stations in the error handling code of 
__il4965_up to fix this problem.

This patch has been tested in real device, and it actually fixes the bug.

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
---
 drivers/net/wireless/iwlegacy/4965-mac.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 6656215..fd7b5c7 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
 	ret = il4965_hw_nic_init(il);
 	if (ret) {
 		IL_ERR("Unable to init nic\n");
+		il_dealloc_bcast_stations(il);
 		return ret;
 	}
 
-- 
1.7.9.5



^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up
@ 2016-01-10  2:19 ` Jia-Ju Bai
  0 siblings, 0 replies; 8+ messages in thread
From: Jia-Ju Bai @ 2016-01-10  2:19 UTC (permalink / raw)
  To: sgruszka-H+wXaHxf7aLQT0dZR+AlfA, kvalo-sgV2jX0FEOL9JmXXK+q4OQ,
	johannes.berg-ral2JQCrhuEAvxtiuMwx3w,
	emmanuel.grumbach-ral2JQCrhuEAvxtiuMwx3w
  Cc: ilw-VuQAYsv1563Yd54FQh9/CA, linuxwifi-ral2JQCrhuEAvxtiuMwx3w,
	linux-wireless-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA, Jia-Ju Bai

When il4965_hw_nic_init in __il4965_up fails, the memory allocated by 
iwl4965_sta_alloc_lq in iwl4965_alloc_bcast_station is not freed.

This patches adds il_dealloc_bcast_stations in the error handling code of 
__il4965_up to fix this problem.

This patch has been tested in real device, and it actually fixes the bug.

Signed-off-by: Jia-Ju Bai <baijiaju1990-9Onoh4P/yGk@public.gmane.org>
---
 drivers/net/wireless/iwlegacy/4965-mac.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 6656215..fd7b5c7 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5577,6 +5577,7 @@ __il4965_up(struct il_priv *il)
 	ret = il4965_hw_nic_init(il);
 	if (ret) {
 		IL_ERR("Unable to init nic\n");
+		il_dealloc_bcast_stations(il);
 		return ret;
 	}
 
-- 
1.7.9.5


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To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2016-01-11 13:41 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-01-07 12:17 [PATCH] iwl4965: Fix a memory leak in error handling code of __il4965_up Jia-Ju Bai
2016-01-11 12:13 ` Stanislaw Gruszka
2016-01-10  2:19 Jia-Ju Bai
2016-01-10  2:19 ` Jia-Ju Bai
2016-01-11 12:16 ` Stanislaw Gruszka
2016-01-11 12:16   ` Stanislaw Gruszka
2016-01-11 12:44   ` Kalle Valo
2016-01-11 13:41   ` Jia-Ju Bai

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