Hi Matt, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.9-rc6 next-20161125] [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/Matt-Ranostay/media-video-i2c-add-video-i2c-driver/20161126-144805 base: git://linuxtv.org/media_tree.git master config: x86_64-randconfig-x015-201648 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): drivers/media/i2c/video-i2c.c: In function 'video_i2c_thread_vid_cap': >> drivers/media/i2c/video-i2c.c:207:12: error: implicit declaration of >> function 'kthread_should_stop' [-Werror=implicit-function-declaration] } while (!kthread_should_stop()); ^~~~~~~~~~~~~~~~~~~ drivers/media/i2c/video-i2c.c: In function 'start_streaming': >> drivers/media/i2c/video-i2c.c:219:26: error: implicit declaration of >> function 'kthread_run' [-Werror=implicit-function-declaration] data->kthread_vid_cap = kthread_run(video_i2c_thread_vid_cap, data, ^~~~~~~~~~~ >> drivers/media/i2c/video-i2c.c:219:24: warning: assignment makes pointer from >> integer without a cast [-Wint-conversion] data->kthread_vid_cap = kthread_run(video_i2c_thread_vid_cap, data, ^ drivers/media/i2c/video-i2c.c: In function 'stop_streaming': >> drivers/media/i2c/video-i2c.c:253:2: error: implicit declaration of function >> 'kthread_stop' [-Werror=implicit-function-declaration] kthread_stop(data->kthread_vid_cap); ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kthread_should_stop +207 drivers/media/i2c/video-i2c.c 201 vb2_buffer_done(vb2_buf, ret ? 202 VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 203 } 204 spin_unlock(&data->slock); 205 206 schedule_timeout_interruptible(delay - (jiffies - start_jiffies)); > 207 } while (!kthread_should_stop()); 208 209 return 0; 210 } 211 212 static int start_streaming(struct vb2_queue *vq, unsigned int count) 213 { 214 struct video_i2c_data *data = vb2_get_drv_priv(vq); 215 216 if (data->kthread_vid_cap) 217 return 0; 218 > 219 data->kthread_vid_cap = kthread_run(video_i2c_thread_vid_cap, > data, 220 "%s-vid-cap", data->v4l2_dev.name); 221 222 if (IS_ERR(data->kthread_vid_cap)) { 223 struct video_i2c_buffer *buf, *tmp; 224 225 list_for_each_entry_safe(buf, tmp, &data->vid_cap_active, list) { 226 list_del(&buf->list); 227 vb2_buffer_done(&buf->vb.vb2_buf, 228 VB2_BUF_STATE_QUEUED); 229 } 230 231 return PTR_ERR(data->kthread_vid_cap); 232 } 233 234 return 0; 235 } 236 237 static void stop_streaming(struct vb2_queue *vq) 238 { 239 struct video_i2c_data *data = vb2_get_drv_priv(vq); 240 241 if (data->kthread_vid_cap == NULL) 242 return; 243 244 while (!list_empty(&data->vid_cap_active)) { 245 struct video_i2c_buffer *buf; 246 247 buf = list_entry(data->vid_cap_active.next, 248 struct video_i2c_buffer, list); 249 list_del(&buf->list); 250 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 251 } 252 > 253 kthread_stop(data->kthread_vid_cap); 254 data->kthread_vid_cap = NULL; 255 } 256 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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