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Re: [PATCH] mac80211: fix memory leak

From Julian Calaby <julian.calaby@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] mac80211: fix memory leak
Date 2016-02-01 01:10 +0100
Message-ID <qXae5-2GO-1@gated-at.bofh.it> (permalink)
References <qWdQJ-La-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Sudip,

On Fri, Jan 29, 2016 at 8:49 PM, Sudip Mukherjee
<sudipm.mukherjee@gmail.com> wrote:
> On error we jumped to the error label and returned the error code but we
> missed releasing sinfo.
>
> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>

Should the From: and Signed-off-by: email addresses be the same?

> ---
>  net/mac80211/sta_info.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
> index 6c198e6..36e75c4 100644
> --- a/net/mac80211/sta_info.c
> +++ b/net/mac80211/sta_info.c
> @@ -561,6 +561,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
>         __cleanup_single_sta(sta);
>   out_err:
>         mutex_unlock(&local->sta_mtx);
> +       kfree(sinfo);
>         rcu_read_lock();
>         return err;
>  }

Looks sane to me. I must note that the bug this is fixing is only in
the mac80211-next tree.

Fixes: 5fe74014172d ("mac80211: avoid excessive stack usage in sta_info")
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>

Thanks,

-- 
Julian Calaby

Email: julian.calaby@gmail.com
Profile: http://www.google.com/profiles/julian.calaby/

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Thread

[PATCH] mac80211: fix memory leak Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-29 10:50 +0100
  Re: [PATCH] mac80211: fix memory leak Julian Calaby <julian.calaby@gmail.com> - 2016-02-01 01:10 +0100
    Re: [PATCH] mac80211: fix memory leak Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-02-01 05:30 +0100
      Re: [PATCH] mac80211: fix memory leak Julian Calaby <julian.calaby@gmail.com> - 2016-02-01 05:40 +0100
      Re: [PATCH] mac80211: fix memory leak Kalle Valo <kvalo@codeaurora.org> - 2016-02-01 10:30 +0100
        Re: [PATCH] mac80211: fix memory leak Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-02-01 10:40 +0100
          Re: [PATCH] mac80211: fix memory leak Julian Calaby <julian.calaby@gmail.com> - 2016-02-01 11:30 +0100
        Re: [PATCH] mac80211: fix memory leak Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-02-01 14:00 +0100

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