tree:
https://github.com/intel/linux-intel-lts.git 5.10/yocto
head: 92a130c4f25aedb3994ab18e243b82623c83e280
commit: 9ca13cf0ba63b1a0d0701e6e1c97138b1879e0e7 [10624/20367] media: Add poll support
config: x86_64-randconfig-s022
(
https://download.01.org/0day-ci/archive/20220112/202201122333.XFChRR9x-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
#
https://github.com/intel/linux-intel-lts/commit/9ca13cf0ba63b1a0d0701e6e1...
git remote add intel-lts
https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-lts 5.10/yocto
git checkout 9ca13cf0ba63b1a0d0701e6e1c97138b1879e0e7
# save the config file to linux build tree
mkdir build_dir
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir
ARCH=x86_64 SHELL=/bin/bash drivers/media/mc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/media/mc/mc-device.c:602:17: sparse: sparse: incorrect
type in initializer (different base types) @@ expected restricted __poll_t ( *poll )(
... ) @@ got unsigned int ( * )( ... ) @@
drivers/media/mc/mc-device.c:602:17: sparse: expected restricted __poll_t ( *poll )(
... )
drivers/media/mc/mc-device.c:602:17: sparse: got unsigned int ( * )( ... )
vim +602 drivers/media/mc/mc-device.c
597
598 static const struct media_file_operations media_device_fops = {
599 .owner = THIS_MODULE,
600 .open = media_device_open,
601 .ioctl = media_device_ioctl,
602 .poll = media_device_poll,
603 #ifdef CONFIG_COMPAT
604 .compat_ioctl = media_device_compat_ioctl,
605 #endif /* CONFIG_COMPAT */
606 .release = media_device_close,
607 };
608
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org