278 struct jpeg_buffer {  struct
571 static int get_byte(struct jpeg_buffer *buf)  in get_byte()
579 static int get_word_be(struct jpeg_buffer *buf, unsigned int *word)  in get_word_be()
590 static void skip(struct jpeg_buffer *buf, unsigned long len)  in skip()
598 	struct jpeg_buffer jpeg_buffer;  in jpu_parse_hdr()  local
602 	jpeg_buffer.end = buffer + size;  in jpu_parse_hdr()
603 	jpeg_buffer.curr = buffer;  in jpu_parse_hdr()
618 			c = get_byte(&jpeg_buffer);  in jpu_parse_hdr()
629 			skip(&jpeg_buffer, 3); /* segment length and bpp */  in jpu_parse_hdr()
630 			if (get_word_be(&jpeg_buffer, height) ||  in jpu_parse_hdr()
631 			    get_word_be(&jpeg_buffer, width) ||  in jpu_parse_hdr()
632 			    get_byte(&jpeg_buffer) != 3) /* YCbCr only */  in jpu_parse_hdr()
635 			skip(&jpeg_buffer, 1);  in jpu_parse_hdr()
636 			return get_byte(&jpeg_buffer);  in jpu_parse_hdr()
642 			if (get_word_be(&jpeg_buffer, &word))  in jpu_parse_hdr()
644 			skip(&jpeg_buffer, (long)word - 2);  in jpu_parse_hdr()