Re: drivers/net/wireless/microchip/wilc1000/cfg80211.c:361:42: sparse: sparse: incorrect type in assignment (different base types)

From: Kalle Valo
Date: Tue Aug 29 2023 - 02:09:20 EST


kernel test robot <lkp@xxxxxxxxx> writes:

> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 727dbda16b83600379061c4ca8270ef3e2f51922
> commit: c5b331d4f550fb78bf1a553b2517616a5ea913d6 wifi: wilc1000: add WPA3 SAE support
> date: 1 year, 3 months ago
> config: i386-randconfig-063-20230829 (https://download.01.org/0day-ci/archive/20230829/202308290615.lUTIgqUl-lkp@xxxxxxxxx/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230829/202308290615.lUTIgqUl-lkp@xxxxxxxxx/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202308290615.lUTIgqUl-lkp@xxxxxxxxx/
>
> sparse warnings: (new ones prefixed by >>)
>>> drivers/net/wireless/microchip/wilc1000/cfg80211.c:361:42: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int key_mgmt_suite @@ got restricted __be32 [usertype] @@
> drivers/net/wireless/microchip/wilc1000/cfg80211.c:361:42: sparse: expected unsigned int key_mgmt_suite
> drivers/net/wireless/microchip/wilc1000/cfg80211.c:361:42: sparse: got restricted __be32 [usertype]

Yeah, this is an old issue but we really should try to fix this,
especially so as I would like to make wireless code sparse warning free
in the near future. IIRC there were some problems with nl80211 interface
as well so this might not be simple fix still.

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