Hi Jeffy, [auto build test WARNING on rockchip/for-next] [also build test WARNING on v4.11-rc5 next-20170331] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jeffy-Chen/drm-rockchip-Fix-rockchip-drm-unbind-crash-error/20170403-094428 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/gpu/drm/rockchip/rockchip_drm_gem.c: In function 'rockchip_gem_alloc_buf': >> drivers/gpu/drm/rockchip/rockchip_drm_gem.c:188:3: warning: 'return' with no >> value, in function returning non-void [-Wreturn-type] return; ^~~~~~ drivers/gpu/drm/rockchip/rockchip_drm_gem.c:180:12: note: declared here static int rockchip_gem_alloc_buf(struct rockchip_gem_object *rk_obj, ^~~~~~~~~~~~~~~~~~~~~~ vim +/return +188 drivers/gpu/drm/rockchip/rockchip_drm_gem.c 172 if (!rk_obj->kvaddr) { 173 DRM_ERROR("failed to allocate %zu byte dma buffer", obj->size); 174 return -ENOMEM; 175 } 176 177 return 0; 178 } 179 180 static int rockchip_gem_alloc_buf(struct rockchip_gem_object *rk_obj, 181 bool alloc_kmap) 182 { 183 struct drm_gem_object *obj = &rk_obj->base; 184 struct drm_device *drm = obj->dev; 185 struct rockchip_drm_private *private = drm->dev_private; 186 187 if (!drm->registered) > 188 return; 189 190 if (private->domain) 191 return rockchip_gem_alloc_iommu(rk_obj, alloc_kmap); 192 else 193 return rockchip_gem_alloc_dma(rk_obj, alloc_kmap); 194 } 195 196 static void rockchip_gem_free_iommu(struct rockchip_gem_object *rk_obj) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
