568 					struct zr364xx_pipeinfo *pipe_info,  in zr364xx_read_video_callback()  argument
584 		u16 *buf = (u16 *)pipe_info->transfer_buffer;  in zr364xx_read_video_callback()
596 	psrc = (u8 *)pipe_info->transfer_buffer;  in zr364xx_read_video_callback()
648 	if (purb->actual_length < pipe_info->transfer_size) {  in zr364xx_read_video_callback()
975 	struct zr364xx_pipeinfo *pipe_info;  in read_pipe_completion()  local
979 	pipe_info = purb->context;  in read_pipe_completion()
981 	if (!pipe_info) {  in read_pipe_completion()
986 	cam = pipe_info->cam;  in read_pipe_completion()
995 		pipe_info->err_count++;  in read_pipe_completion()
999 	if (pipe_info->state == 0) {  in read_pipe_completion()
1004 	if (purb->actual_length > pipe_info->transfer_size) {  in read_pipe_completion()
1010 		zr364xx_read_video_callback(cam, pipe_info, purb);  in read_pipe_completion()
1012 		pipe_info->err_count++;  in read_pipe_completion()
1019 	usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev,  in read_pipe_completion()
1021 			  pipe_info->transfer_buffer,  in read_pipe_completion()
1022 			  pipe_info->transfer_size,  in read_pipe_completion()
1023 			  read_pipe_completion, pipe_info);  in read_pipe_completion()
1025 	if (pipe_info->state != 0) {  in read_pipe_completion()
1026 		purb->status = usb_submit_urb(pipe_info->stream_urb,  in read_pipe_completion()
1041 	struct zr364xx_pipeinfo *pipe_info = cam->pipe;  in zr364xx_start_readpipe()  local
1045 	pipe_info->state = 1;  in zr364xx_start_readpipe()
1046 	pipe_info->err_count = 0;  in zr364xx_start_readpipe()
1047 	pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL);  in zr364xx_start_readpipe()
1048 	if (!pipe_info->stream_urb)  in zr364xx_start_readpipe()
1051 	usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev,  in zr364xx_start_readpipe()
1053 			  pipe_info->transfer_buffer,  in zr364xx_start_readpipe()
1054 			  pipe_info->transfer_size,  in zr364xx_start_readpipe()
1055 			  read_pipe_completion, pipe_info);  in zr364xx_start_readpipe()
1057 	DBG("submitting URB %p\n", pipe_info->stream_urb);  in zr364xx_start_readpipe()
1058 	retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL);  in zr364xx_start_readpipe()
1069 	struct zr364xx_pipeinfo *pipe_info;  in zr364xx_stop_readpipe()  local
1076 	pipe_info = cam->pipe;  in zr364xx_stop_readpipe()
1077 	if (pipe_info) {  in zr364xx_stop_readpipe()
1078 		if (pipe_info->state != 0)  in zr364xx_stop_readpipe()
1079 			pipe_info->state = 0;  in zr364xx_stop_readpipe()
1081 		if (pipe_info->stream_urb) {  in zr364xx_stop_readpipe()
1083 			usb_kill_urb(pipe_info->stream_urb);  in zr364xx_stop_readpipe()
1084 			usb_free_urb(pipe_info->stream_urb);  in zr364xx_stop_readpipe()
1085 			pipe_info->stream_urb = NULL;  in zr364xx_stop_readpipe()