On Mon, 25 Apr 2016 22:14:07 +0300
Grygorii Strashko <grygorii.strashko@xxxxxx> wrote:
> On 04/22/2016 04:03 PM, Grygorii Strashko wrote:
> > On 04/21/2016 09:19 PM, David Rivshin (Allworx) wrote:
> >> From: David Rivshin <drivshin@xxxxxxxxxxx>
> >>
> >> Commit 9e42f715264ff158478fa30eaed847f6e131366b ("drivers: net: cpsw: add
> >> phy-handle parsing") saved the "phy-handle" phandle into a new cpsw_priv
> >> field. However, phy connections are per-slave, so the phy_node field
> >> should
> >> be in cpsw_slave_data rather than cpsw_priv.
> >>
> >> This would go unnoticed in a single emac configuration. But in dual_emac
> >> mode, the last "phy-handle" property parsed for either slave would be
> >> used
> >> by both of them, causing them both to refer to the same phy_device.
> >>
> >> Fixes: 9e42f715264f ("drivers: net: cpsw: add phy-handle parsing")
> >> Signed-off-by: David Rivshin <drivshin@xxxxxxxxxxx>
> >> Tested-by: Nicolas Chauvet <kwizart@xxxxxxxxx>
> >> ---
> >> I would suggest this for -stable. It should apply cleanly as far back
> >> as 4.4.
> >>
> >> Changes since v1 [1]:
> >> - Rebased (no conflicts)
> >> - Added Tested-by from Nicolas Chauvet
> >>
> >> [1] https://patchwork.ozlabs.org/patch/560326/
> >
> > Reviewed-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
>
> In my opinion, it will be good to have this patch merged as part of -rc cycle, since
> it will fix "NULL pointer dereference" issue with current LKML as reported by Andrew Goodbody.
Dave,
If you'd like to take just this first patch while enhancements for patch 2
are worked out, I'd have no problem with that. I would then just submit the
rest of the series separately. If I don't see that you've taken this by the
time I have a V3 ready I'll include it again, but it will be unchanged and
you can still take it separately if you wish. Or I can resubmit this patch
separately if you prefer.
(FYI, I tried to send this multiple times last night, but gmail has not
been my friend lately. I ended up having to trim the CC list substantially
just to get this out at all; apologies for that. Suggestions for other
email providers that are usable for patch submissions are welcome.)
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