91 	struct uvc_request *ureq = req->context;  in uvc_video_encode_bulk()  local
118 		ureq->last_buf = buf;  in uvc_video_encode_bulk()
134 	struct uvc_request *ureq = req->context;  in uvc_video_encode_isoc_sg()  local
141 	sg = ureq->sgt.sgl;  in uvc_video_encode_isoc_sg()
142 	sg_init_table(sg, ureq->sgt.nents);  in uvc_video_encode_isoc_sg()
145 	header_len = uvc_video_encode_header(video, buf, ureq->header,  in uvc_video_encode_isoc_sg()
147 	sg_set_buf(sg, ureq->header, header_len);  in uvc_video_encode_isoc_sg()
159 	for_each_sg(sg, iter, ureq->sgt.nents - 1, i) {  in uvc_video_encode_isoc_sg()
179 	req->sg	= ureq->sgt.sgl;  in uvc_video_encode_isoc_sg()
192 		ureq->last_buf = buf;  in uvc_video_encode_isoc_sg()
201 	struct uvc_request *ureq = req->context;  in uvc_video_encode_isoc()  local
222 		ureq->last_buf = buf;  in uvc_video_encode_isoc()
253 	struct uvc_request *ureq = req->context;  in uvc_video_complete()  local
254 	struct uvc_video *video = ureq->video;  in uvc_video_complete()
280 	if (ureq->last_buf) {  in uvc_video_complete()
281 		uvcg_complete_buffer(&video->queue, ureq->last_buf);  in uvc_video_complete()
282 		ureq->last_buf = NULL;  in uvc_video_complete()
298 	if (video->ureq) {  in uvc_video_free_requests()
300 			sg_free_table(&video->ureq[i].sgt);  in uvc_video_free_requests()
302 			if (video->ureq[i].req) {  in uvc_video_free_requests()
303 				usb_ep_free_request(video->ep, video->ureq[i].req);  in uvc_video_free_requests()
304 				video->ureq[i].req = NULL;  in uvc_video_free_requests()
307 			if (video->ureq[i].req_buffer) {  in uvc_video_free_requests()
308 				kfree(video->ureq[i].req_buffer);  in uvc_video_free_requests()
309 				video->ureq[i].req_buffer = NULL;  in uvc_video_free_requests()
313 		kfree(video->ureq);  in uvc_video_free_requests()
314 		video->ureq = NULL;  in uvc_video_free_requests()
335 	video->ureq = kcalloc(video->uvc_num_requests, sizeof(struct uvc_request), GFP_KERNEL);  in uvc_video_alloc_requests()
336 	if (video->ureq == NULL)  in uvc_video_alloc_requests()
340 		video->ureq[i].req_buffer = kmalloc(req_size, GFP_KERNEL);  in uvc_video_alloc_requests()
341 		if (video->ureq[i].req_buffer == NULL)  in uvc_video_alloc_requests()
344 		video->ureq[i].req = usb_ep_alloc_request(video->ep, GFP_KERNEL);  in uvc_video_alloc_requests()
345 		if (video->ureq[i].req == NULL)  in uvc_video_alloc_requests()
348 		video->ureq[i].req->buf = video->ureq[i].req_buffer;  in uvc_video_alloc_requests()
349 		video->ureq[i].req->length = 0;  in uvc_video_alloc_requests()
350 		video->ureq[i].req->complete = uvc_video_complete;  in uvc_video_alloc_requests()
351 		video->ureq[i].req->context = &video->ureq[i];  in uvc_video_alloc_requests()
352 		video->ureq[i].video = video;  in uvc_video_alloc_requests()
353 		video->ureq[i].last_buf = NULL;  in uvc_video_alloc_requests()
355 		list_add_tail(&video->ureq[i].req->list, &video->req_free);  in uvc_video_alloc_requests()
357 		sg_alloc_table(&video->ureq[i].sgt,  in uvc_video_alloc_requests()
505 			if (video->ureq && video->ureq[i].req)  in uvcg_video_enable()
506 				usb_ep_dequeue(video->ep, video->ureq[i].req);  in uvcg_video_enable()