36 static void uvc_wait_req_complete(struct uvc_video *video, struct uvc_request *ureq)  in uvc_wait_req_complete()  argument
45 		if (req == ureq->req)  in uvc_wait_req_complete()
49 	if (req != ureq->req) {  in uvc_wait_req_complete()
50 		reinit_completion(&ureq->req_done);  in uvc_wait_req_complete()
53 		ret = wait_for_completion_timeout(&ureq->req_done,  in uvc_wait_req_complete()
69 static inline void uvc_wait_req_complete(struct uvc_video *video, struct uvc_request *ureq)  in uvc_wait_req_complete()  argument
222 	struct uvc_request *ureq = req->context;  in uvc_video_complete()  local
223 	struct uvc_video *video = ureq->video;  in uvc_video_complete()
247 	complete(&ureq->req_done);  in uvc_video_complete()
260 	if (video->ureq) {  in uvc_video_free_requests()
262 			if (video->ureq[i].req) {  in uvc_video_free_requests()
263 				uvc_wait_req_complete(video, &video->ureq[i]);  in uvc_video_free_requests()
264 				usb_ep_free_request(video->ep, video->ureq[i].req);  in uvc_video_free_requests()
265 				video->ureq[i].req = NULL;  in uvc_video_free_requests()
268 			if (video->ureq[i].req_buffer) {  in uvc_video_free_requests()
269 				kfree(video->ureq[i].req_buffer);  in uvc_video_free_requests()
270 				video->ureq[i].req_buffer = NULL;  in uvc_video_free_requests()
274 		kfree(video->ureq);  in uvc_video_free_requests()
275 		video->ureq = NULL;  in uvc_video_free_requests()
301 	video->ureq = kcalloc(video->uvc_num_requests, sizeof(struct uvc_request), GFP_KERNEL);  in uvc_video_alloc_requests()
302 	if (video->ureq == NULL)  in uvc_video_alloc_requests()
306 		video->ureq[i].req_buffer = kmalloc(req_size, GFP_KERNEL);  in uvc_video_alloc_requests()
307 		if (video->ureq[i].req_buffer == NULL)  in uvc_video_alloc_requests()
310 		video->ureq[i].req = usb_ep_alloc_request(video->ep, GFP_KERNEL);  in uvc_video_alloc_requests()
311 		if (video->ureq[i].req == NULL)  in uvc_video_alloc_requests()
314 		video->ureq[i].req->buf = video->ureq[i].req_buffer;  in uvc_video_alloc_requests()
315 		video->ureq[i].req->length = 0;  in uvc_video_alloc_requests()
316 		video->ureq[i].req->complete = uvc_video_complete;  in uvc_video_alloc_requests()
317 		video->ureq[i].req->context = &video->ureq[i];  in uvc_video_alloc_requests()
318 		video->ureq[i].video = video;  in uvc_video_alloc_requests()
321 		init_completion(&video->ureq[i].req_done);  in uvc_video_alloc_requests()
323 		list_add_tail(&video->ureq[i].req->list, &video->req_free);  in uvc_video_alloc_requests()
426 			if (video->ureq && video->ureq[i].req)  in uvcg_video_enable()
427 				usb_ep_dequeue(video->ep, video->ureq[i].req);  in uvcg_video_enable()