linux-kernel - Re: linux-next: manual merge of the wireless-next tree with the wireless tree

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Date:	Tue, 03 Dec 2013 17:09:43 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	"John W. Linville" <linville@...driver.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Chun-Yeow Yeoh <yeohchunyeow@...il.com>,
	Bob Copeland <bob@...ybit.com>
Subject: Re: linux-next: manual merge of the wireless-next tree with the
 wireless tree

On Tue, 2013-12-03 at 15:52 +0000, John W. Linville wrote:

> > Today's linux-next merge of the wireless-next tree got a conflict in
> > net/mac80211/util.c between commit 3f718fd8401d ("mac80211: fix the mesh
> > channel switch support") from the wireless tree and commit ca91dc97b8a0
> > ("mac80211: use put_unaligned_le16 for precedence value in mesh") from
> > the wireless-next tree.
> >
> > I fixed it up (see below) and can carry the fix as necessary (no action
> > is required).
> >
> > --
> > Cheers,
> > Stephen Rothwell                    sfr@...b.auug.org.au
> >
> > diff --cc net/mac80211/util.c
> > index 9f9b9bd3fd44,06265d7f8cc3..000000000000
> > --- a/net/mac80211/util.c
> > +++ b/net/mac80211/util.c
> > @@@ -2457,9 -2481,13 +2479,8 @@@ int ieee80211_send_action_csa(struct ie
> >                         WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT : 0x00;
> >               put_unaligned_le16(WLAN_REASON_MESH_CHAN, pos); /* Reason Cd */
> >               pos += 2;
> > -             pre_value = cpu_to_le16(ifmsh->pre_value);
> > -             memcpy(pos, &pre_value, 2);             /* Precedence Value */
> >  -            if (!ifmsh->pre_value)
> >  -                    ifmsh->pre_value = 1;
> >  -            else
> >  -                    ifmsh->pre_value++;
> > +             put_unaligned_le16(ifmsh->pre_value, pos);/* Precedence Value */
> >               pos += 2;
> >  -            ifmsh->chsw_init = true;
> >       }
> >
> >       ieee80211_tx_skb(sdata, skb);
> 
> This differs from how I resolved the conflict when merging in wireless-testing...
> 
> Johannes, could you comment on which (if either) of these options is correct?

I think the above is correct, the pre_value assignment with 1/++ and
chsw_init moved into another function in Bob's patch. Bob?

johannes

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