65 	int len = sizeof(*header) - sizeof(header->checksum);  in hdr_checksum()  local
69 	while (--len)  in hdr_checksum()
108 			int len, int pad_64k)  in sign_buffer()  argument
113 	len = (len + 3) & (~3);  in sign_buffer()
116 	build_header(buf + HEADER_OFFSET,  version, flags, len + 4);  in sign_buffer()
119 	calc_crc = ~pbl_crc32(0, (char *)buf, len);  in sign_buffer()
121 	*((uint32_t *)(buf + len)) = cpu_to_le32(calc_crc);  in sign_buffer()
124 		return len + 4;  in sign_buffer()
132 	int len; /* Including 32bit CRC */  in verify_buffer()  local
136 	len = verify_header(buf + HEADER_OFFSET);  in verify_buffer()
137 	if (len < 0) {  in verify_buffer()
142 	if (len < HEADER_OFFSET || len > PADDED_SIZE) {  in verify_buffer()
143 		debug("Invalid header length (%i)\n", len);  in verify_buffer()
151 	len -= 4;  in verify_buffer()
153 	calc_crc = ~pbl_crc32(0, (const char *)buf, len);  in verify_buffer()
155 	buf_crc = le32_to_cpu(*((uint32_t *)(buf + len)));  in verify_buffer()