From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] mlx4: Fix bug in mlx4_ib_mcg_attach
Date: Wed, 09 Dec 2009 14:49:47 -0800
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 > > This bug doesn't seem to ever have been present in the upstream
 > > kernel -- what are you generating this patch against?

 > I think it came from your for-next branch.

I don't see anything touching this code there.  The patch that
introduced this code upstream, 521e575b ("IB/mlx4: Add support for
blocking multicast loopback packets") doesn't have this bug and I don't
see anything else that changed that area of the code.

 - R.