On Wed, Nov 28, 2018 at 3:14 AM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
>
> Am 27.11.18 um 12:50 schrieb Yang Xiao:
> > From: Young Xiao <YangX92@xxxxxxxxxxx>
> >
> > the type mem->start is unsigned long, so this can overflow on
> > 32bit system, since the type addr is uint64_t.
> >
> > Signed-off-by: Young Xiao <YangX92@xxxxxxxxxxx>
>
> Reviewed-by: Christian König <christian.koenig@xxxxxxx>
>
Applied. thanks!
Alex
> > ---
> > drivers/gpu/drm/radeon/radeon_vm.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
> > index 7f1a9c7..51559d8 100644
> > --- a/drivers/gpu/drm/radeon/radeon_vm.c
> > +++ b/drivers/gpu/drm/radeon/radeon_vm.c
> > @@ -946,7 +946,7 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
> > bo_va->flags &= ~RADEON_VM_PAGE_WRITEABLE;
> >
> > if (mem) {
> > - addr = mem->start << PAGE_SHIFT;
> > + addr = (u64)mem->start << PAGE_SHIFT;
> > if (mem->mem_type != TTM_PL_SYSTEM) {
> > bo_va->flags |= RADEON_VM_PAGE_VALID;
> > }
>
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