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SubjectRe: [PATCH][next] drm/kmb: fix potential integer overflow on multiplication
Hi Colin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20201112]
[cannot apply to linus/master v5.10-rc3 v5.10-rc2 v5.10-rc1 v5.10-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Colin-King/drm-kmb-fix-potential-integer-overflow-on-multiplication/20201113-203903
base: a60b1e1fe9ca5f9d9a79e89a8d71228a8e04d35c
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/bb25aac8771c57130ea5a2a016790e3b7c62e283
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Colin-King/drm-kmb-fix-potential-integer-overflow-on-multiplication/20201113-203903
git checkout bb25aac8771c57130ea5a2a016790e3b7c62e283
# save the attached .config to linux build tree
make W=1 ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

ld: drivers/gpu/drm/kmb/kmb_dsi.o: in function `kmb_dsi_mode_set':
kmb_dsi.c:(.text+0x13b7): undefined reference to `__udivdi3'
>> ld: kmb_dsi.c:(.text+0x13ca): undefined reference to `__udivdi3'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[unhandled content-type:application/gzip]
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