On Fri, Mar 21, 2025 at 6:53 AM Denis Arefev <arefev@xxxxxxxxx> wrote: > > This series of patches prevents possible division by zero. > > The user can set any speed value. > If speed is greater than UINT_MAX/8, division by zero is possible. > > Found by Linux Verification Center (linuxtesting.org) with SVACE. Applied the series. Thanks! Alex > > Denis Arefev (5): > drm/amd/pm: Prevent division by zero > drm/amd/pm: Prevent division by zero > drm/amd/pm: Prevent division by zero > drm/amd/pm: Prevent division by zero > drm/amd/pm: Prevent division by zero > > drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c | 6 +++--- > drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c | 4 ++-- > drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c | 2 +- > drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 3 +++ > drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 2 +- > 5 files changed, 10 insertions(+), 7 deletions(-) > > I did not change these files, because the functions you are > interested in are not used there for a long time. > drivers/gpu/drm/radeon/si_dpm.c > drivers/gpu/drm/radeon/ci_dpm.c > > -- > 2.43.0 >
