Re: [PATCH 4.9 003/116] rtlwifi: Fix enter/exit power_save

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Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:

> On Tue, Jan 10, 2017 at 10:51:56PM +0100, Willy Tarreau wrote:
>> On Tue, Jan 10, 2017 at 03:23:27PM -0600, lkml@xxxxxxxxxxx wrote:
>> > On Tue, Jan 10, 2017 at 09:40:24PM +0100, Greg Kroah-Hartman wrote:
>> > > On Tue, Jan 10, 2017 at 08:40:28PM +0300, Dmitry Osipenko wrote:
>> > > > Hello, this patch causes a kernel panic with the rtl8192cu driver.
>> > > 
>> > > Ick, not good!  Does this cause a problem in Linus's tree as well?
>> > > 
>> > 
>> > http://lkml.iu.edu/hypermail/linux/kernel/1701.1/00228.html
>> 
>> OK the pending patch is here and not yet upstream :
>> 
>>     http://marc.info/?l=linux-wireless&m=148234081512703&w=2
>> 
>> It fixes ba9f93f82aba (patch 3/116) so better postpone it until
>> the patch above gets merged.
>
> Yes, I've reverted this now and will wait for this fixup to hit Linus's
> tree.  Larry, can you remind me to include the original patch in the
> stable tree when this fixup is merged?

Linus pulled it now:

commit 60f59ce0278557f7896d5158ae6d12a4855a72cc
Author: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Date:   Wed Dec 21 11:18:55 2016 -0600

    rtlwifi: rtl_usb: Fix missing entry in USB driver's private data
    
    These drivers need to be able to reference "struct ieee80211_hw"
    from
    the driver's private data, and vice versa. The USB driver failed to
    store the address of ieee80211_hw in the private data. Although this
    bug has been present for a long time, it was not exposed until
    commit ba9f93f82aba ("rtlwifi: Fix enter/exit power_save").
    
    Fixes: ba9f93f82aba ("rtlwifi: Fix enter/exit power_save")
    Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
    Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>

-- 
Kalle Valo
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