Hi Zhong Jiang, Sorry for the late response. I just saw this while catching up with my backlog after travelling end of September. I applied your patch to amd-staging-drm-next. I only changed the headline slightly to use the "drm/admkfd: " prefix that we commonly use for KFD changes. Regards, Felix On 2018-09-18 11:35 AM, zhong jiang wrote: > kmemdup has implemented the function that kmalloc() + memcpy(). > We prefer to kmemdup rather than code opened implementation. > > Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> > --- > drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c > index ee49960..8ddd585 100644 > --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c > @@ -747,12 +747,10 @@ int kfd_create_crat_image_acpi(void **crat_image, size_t *size) > return -ENODATA; > } > > - pcrat_image = kmalloc(crat_table->length, GFP_KERNEL); > + pcrat_image = kmemdup(crat_table, crat_table->length, GFP_KERNEL); > if (!pcrat_image) > return -ENOMEM; > > - memcpy(pcrat_image, crat_table, crat_table->length); > - > *crat_image = pcrat_image; > *size = crat_table->length; > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel