[OpenWrt-Devel] [PATCH] generic: add linux 4.1-rc1 support

Hauke Mehrtens hauke at hauke-m.de
Wed May 6 03:55:29 EDT 2015


On 05/02/2015 10:49 AM, Dirk Neukirchen wrote:
> On 01.05.2015 11:21, Hauke Mehrtens wrote:
>> On 05/01/2015 10:59 AM, Dirk Neukirchen wrote:
>>> On 28.04.2015 23:08, Álvaro Fernández Rojas wrote:
>>>> Boot tested: http://pastebin.com/L6aAb9xj
>>>>
>>>> Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
>>>
>>> Great work !
>>>
>>
>>> 2. any(?) mac80211 does not built
>>>
>>> Error: include/net/cfg80211.h:3249:25: error: 'struct wiphy' has no member named '_net'
>>>   return read_pnet(&wiphy->_net);
>>>
>>> I did try to use the v4.1-rc1 Backports package as drop-in (only some OpenWrt specific driver series patches were not applied) 
>>> since it should deal with that error, (
>>>
>>> but I get compile errors with that too:
>>> include/net/cfg80211.h:3253:2: error: implicit declaration of function 'possible_write_pnet'
>>> include/net/cfg80211.h:3248:2: error: implicit declaration of function 'possible_read_pnet'
>>> (introduced by https://git.kernel.org/cgit/linux/kernel/git/backports/backports.git/tree/patches/collateral-evolutions/network/0053-possible_net_t.patch )
>>>
>>
>> Hi,
>>
>> This looks like a bug in backports, I haven't tested this image against
>> kernel 4.1. Please try the attached patch.
>>
>> Hauke
>>
> 
> Still errors :/
> 
> steps to replicate: 
> - Kernel 4.1 patch
> - symbol fixup and mac80211 change to use backports package that is 4.1-rc1 versioned
> (so Kernel 4.1 with backports 4.1-rc1)
> - backports: remove non applying patches
> - your patch
> a patch series that contains all the changes/steps can be found at:
> https://github.com/plntyk/openwrt-patches/tree/master/kernel_4_1_backports
> 
> results in compile error:
> 
> linux-x86_64/backports-4.1-rc1-1/drivers/net/wireless/ath/main.c
> In file included from ...../linux-x86_64/backports-4.1-rc1-1/include/net/mac80211.h:22:0,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/drivers/net/wireless/ath/ath.h:24,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/drivers/net/wireless/ath/main.c:22:
> ...../linux-x86_64/backports-4.1-rc1-1/include/net/cfg80211.h: In function 'wiphy_net':
> ...../linux-x86_64/backports-4.1-rc1-1/include/net/cfg80211.h:3248:2: error: too few arguments to function 'write_pnet'
>   return possible_read_pnet(&wiphy->_net);
>   ^
> In file included from ...../linux-x86_64/backports-4.1-rc1-1/backport-include/net/net_namespace.h:4:0,
>                  from include/linux/netdevice.h:44,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/backport-include/linux/netdevice.h:3,
>                  from include/linux/etherdevice.h:26,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/backport-include/linux/etherdevice.h:3,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/drivers/net/wireless/ath/ath.h:20,
>                  from ...../linux-x86_64/backports-4.1-rc1-1/drivers/net/wireless/ath/main.c:22:
> include/net/net_namespace.h:240:20: note: declared here
>  static inline void write_pnet(possible_net_t *pnet, struct net *net)

I didn't compile tested the patch before, there was still an error in
it, attached is a fixed version.

Hauke


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