From: Yu Jiaoliang <yujiaoliang@xxxxxxxx> Let the kememdup_array() take care about multiplication and possible overflows. v2: - Change subject - Leave one blank line between the commit log and the tag section - Fix code alignment issue v3: - Fix code alignment - Apply the patch on a clean drm-tip Signed-off-by: Yu Jiaoliang <yujiaoliang@xxxxxxxx> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> --- Hi Yu, I am resending this patch because this never reached the mailing list and it didn't get picked up by CI. Maybe it's going through some manual spam check so that it might take a bit of time. You should have seen it here[*] as you can see your previous patches. Andi [*] https://patchwork.freedesktop.org/project/intel-gfx/series/?ordering=-last_updated drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index bfe6d8fc820f..baa609bdf7cb 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -111,9 +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), - GFP_KERNEL); + struct i915_wa *list = kmemdup_array(wal->list, wal->count, + sizeof(*list), GFP_KERNEL); if (list) { kfree(wal->list); -- 2.45.2
