On Tue, 20 Aug 2024, Yu Jiaoliang <yujiaoliang@xxxxxxxx> wrote: > Let the kememdup_array() take care about multiplication and possible > overflows. > Signed-off-by: Yu Jiaoliang <yujiaoliang@xxxxxxxx> For future reference, please look at git log for the file instead of inventing subject prefixes. There should be a blank line between commit message and trailers. Other than that, Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_workarounds.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c > index 09a287c1aedd..d90348c56765 100644 > --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c > +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c > @@ -111,8 +111,8 @@ static void wa_init_finish(struct i915_wa_list *wal) > { > /* Trim unused entries. */ > if (!IS_ALIGNED(wal->count, WA_LIST_CHUNK)) { > - struct i915_wa *list = kmemdup(wal->list, > - wal->count * sizeof(*list), > + struct i915_wa *list = kmemdup_array(wal->list, > + wal->count, sizeof(*list), > GFP_KERNEL); > > if (list) { -- Jani Nikula, Intel