Re: [linux-next:master 3200/4370] drivers/firewire/config-rom-parser-test.c:93:18: sparse: sparse: incorrect type in assignment (different base types)

["Takashi Sakamoto" <o-takashi@sakamocchi.jp>]

On Sun, Sep 6, 2026, at 03:23, kernel test robot wrote:
> tree:   
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 
> master
> head:   af5f12805e5cefa4fe68d6127c7e1fb78cd5535c
> commit: 23e0d2e849eb84b8451c3f90e660222eea20f031 [3200/4370] firewire: 
> core: add test to detect irm-is-1394-1995-only quirk in config ROM 
> parser
> config: csky-randconfig-r113-20260905 
> (https://download.01.org/0day-ci/archive/20260906/202609060257.8wQo9w9N-lkp@intel.com/config)
> compiler: csky-linux-gcc (GCC) 12.5.0
> sparse: v0.6.5-rc1
> reproduce (this is a W=1 build): 
> (https://download.01.org/0day-ci/archive/20260906/202609060257.8wQo9w9N-lkp@intel.com/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@intel.com>
> | Closes: 
> https://lore.kernel.org/oe-kbuild-all/202609060257.8wQo9w9N-lkp@intel.com/
>
> sparse warnings: (new ones prefixed by >>)
>    drivers/firewire/core-device.c: note: in included file:
>>> drivers/firewire/config-rom-parser-test.c:93:18: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] @@     got restricted __be32 [usertype] @@
>    drivers/firewire/config-rom-parser-test.c:93:18: sparse:     
> expected unsigned int [usertype]
>    drivers/firewire/config-rom-parser-test.c:93:18: sparse:     got 
> restricted __be32 [usertype]
>
> vim +93 drivers/firewire/config-rom-parser-test.c
> ...
>     88		u32 *quadlet = payload;

Indeed. This should be typed as __be32. I'll fix it later.


Thanks

Takashi Sakamoto