88 static int jpeg_skip(struct jpeg_stream *stream, size_t len)  in jpeg_skip()  argument
90 	if (stream->curr + len > stream->end)  in jpeg_skip()
93 	stream->curr += len;  in jpeg_skip()
117 	u16 len;  in jpeg_reference_segment()  local
122 	len = get_unaligned_be16(stream->curr);  in jpeg_reference_segment()
123 	if (stream->curr + len > stream->end)  in jpeg_reference_segment()
127 	segment->length = len;  in jpeg_reference_segment()
158 	int len = jpeg_get_word_be(stream);  in jpeg_parse_frame_header()  local
160 	if (len < 0)  in jpeg_parse_frame_header()
161 		return len;  in jpeg_parse_frame_header()
163 	if (len < 8 + 3)  in jpeg_parse_frame_header()
202 		if (len != 8 + 3 * nf)  in jpeg_parse_frame_header()
245 		return jpeg_skip(stream, len - 2);  in jpeg_parse_frame_header()
255 	int len = jpeg_get_word_be(stream);  in jpeg_parse_scan_header()  local
257 	if (len < 0)  in jpeg_parse_scan_header()
258 		return len;  in jpeg_parse_scan_header()
260 	if (len < 6 + 2)  in jpeg_parse_scan_header()
270 		if (ns < 1 || ns > 4 || len != 6 + 2 * ns)  in jpeg_parse_scan_header()
297 		skip = len - 2;  in jpeg_parse_scan_header()
308 	int len = jpeg_get_word_be(stream);  in jpeg_parse_quantization_tables()  local
310 	if (len < 0)  in jpeg_parse_quantization_tables()
311 		return len;  in jpeg_parse_quantization_tables()
313 	if (len < 2 + 65)  in jpeg_parse_quantization_tables()
316 	len -= 2;  in jpeg_parse_quantization_tables()
317 	while (len >= 65) {  in jpeg_parse_quantization_tables()
351 		len -= pq ? 129 : 65;  in jpeg_parse_quantization_tables()
362 	int len = jpeg_get_word_be(stream);  in jpeg_parse_huffman_tables()  local
364 	if (len < 0)  in jpeg_parse_huffman_tables()
365 		return len;  in jpeg_parse_huffman_tables()
367 	if (len < 2 + 17)  in jpeg_parse_huffman_tables()
370 	for (len -= 2; len >= 17; len -= 17 + mt) {  in jpeg_parse_huffman_tables()
412 	return jpeg_skip(stream, len - 2);  in jpeg_parse_huffman_tables()
419 	int len = jpeg_get_word_be(stream);  in jpeg_parse_restart_interval()  local
422 	if (len < 0)  in jpeg_parse_restart_interval()
423 		return len;  in jpeg_parse_restart_interval()
424 	if (len != 4)  in jpeg_parse_restart_interval()
438 	int len = jpeg_get_word_be(stream);  in jpeg_skip_segment()  local
440 	if (len < 0)  in jpeg_skip_segment()
441 		return len;  in jpeg_skip_segment()
442 	if (len < 2)  in jpeg_skip_segment()
445 	return jpeg_skip(stream, len - 2);  in jpeg_skip_segment()
494 int v4l2_jpeg_parse_header(void *buf, size_t len, struct v4l2_jpeg_header *out)  in v4l2_jpeg_parse_header()  argument
501 	stream.end = stream.curr + len;  in v4l2_jpeg_parse_header()
607 int v4l2_jpeg_parse_frame_header(void *buf, size_t len,  in v4l2_jpeg_parse_frame_header()  argument
613 	stream.end = stream.curr + len;  in v4l2_jpeg_parse_frame_header()
626 int v4l2_jpeg_parse_scan_header(void *buf, size_t len,  in v4l2_jpeg_parse_scan_header()  argument
632 	stream.end = stream.curr + len;  in v4l2_jpeg_parse_scan_header()
647 int v4l2_jpeg_parse_quantization_tables(void *buf, size_t len, u8 precision,  in v4l2_jpeg_parse_quantization_tables()  argument
653 	stream.end = stream.curr + len;  in v4l2_jpeg_parse_quantization_tables()
668 int v4l2_jpeg_parse_huffman_tables(void *buf, size_t len,  in v4l2_jpeg_parse_huffman_tables()  argument
674 	stream.end = stream.curr + len;  in v4l2_jpeg_parse_huffman_tables()