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Re: [PATCH] mac80211: fix memory leak

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On Mon, Feb 01, 2016 at 11:03:35AM +1100, Julian Calaby wrote:
> 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?

I think 2 years back I had a long discussion with Greg about this and
since then I al submitting patches like this. A small summayg of the
problem from that discussion:

"we have strict DMARC check for the corporate mail server. DMARC =
domain based message authentication.
So the mail i sent reached all the list subscriber from a different
server than our designated server, and as a result it is marked as spam
in many places and I have already received a few complaints regarding
that."

> 
> > ---
> >  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

regards
sudip

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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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