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* [patch] mac80211: free sinfo on error path
@ 2016-01-30 14:39 Dan Carpenter
  2016-01-30 19:58 ` Arend van Spriel
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2016-01-30 14:39 UTC (permalink / raw)
  To: Johannes Berg, Arnd Bergmann; +Cc: linux-wireless, kernel-janitors

There is a missing kfree(sinfo) on error in sta_info_insert_finish().

Fixes: 5fe74014172d ('mac80211: avoid excessive stack usage in sta_info')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 6c198e6..1502efb 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -562,6 +562,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
  out_err:
 	mutex_unlock(&local->sta_mtx);
 	rcu_read_lock();
+	kfree(sinfo);
 	return err;
 }
 

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

* Re: [patch] mac80211: free sinfo on error path
  2016-01-30 14:39 [patch] mac80211: free sinfo on error path Dan Carpenter
@ 2016-01-30 19:58 ` Arend van Spriel
  0 siblings, 0 replies; 2+ messages in thread
From: Arend van Spriel @ 2016-01-30 19:58 UTC (permalink / raw)
  To: Dan Carpenter, Johannes Berg, Arnd Bergmann
  Cc: linux-wireless, kernel-janitors



On 30-01-16 15:39, Dan Carpenter wrote:
> There is a missing kfree(sinfo) on error in sta_info_insert_finish().
> 
> Fixes: 5fe74014172d ('mac80211: avoid excessive stack usage in sta_info')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Hi Dan,

A fix for this has already been posted [1]. Although your 'Fixes:' tag
is useful to have, I guess.

Regards,
Arend

[1]
http://mid.gmane.org/1454060944-11320-1-git-send-email-sudipm.mukherjee@gmail.com

> diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
> index 6c198e6..1502efb 100644
> --- a/net/mac80211/sta_info.c
> +++ b/net/mac80211/sta_info.c
> @@ -562,6 +562,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
>   out_err:
>  	mutex_unlock(&local->sta_mtx);
>  	rcu_read_lock();
> +	kfree(sinfo);
>  	return err;
>  }
>  
> --
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
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> 

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

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2016-01-30 14:39 [patch] mac80211: free sinfo on error path Dan Carpenter
2016-01-30 19:58 ` Arend van Spriel

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