Commit b7d698d7 authored Sep 07, 2015 by Christian König Committed by Alex Deucher Sep 23, 2015

drm/amdgpu: fix overflow on 32bit systems



mem->start is a long, so this can overflow on 32bit systems.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Cc: stable@vger.kernel.org

parent 1886d1a9

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -855,7 +855,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
		int r;

		if (mem) {
		addr = mem->start << PAGE_SHIFT;
		addr = (u64)mem->start << PAGE_SHIFT;
		if (mem->mem_type != TTM_PL_TT)
		addr += adev->vm_manager.vram_base_offset;
		} else {