amdgpu_bo_kmap() returns error when fails to map buffer object. Add the error check and propagate the error. Signed-off-by: Li Zhong <floridsleeves@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
amdgpu_bo_kmap() returns error when fails to map buffer object. Add the error check and propagate the error. Signed-off-by: Li Zhong <floridsleeves@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>