firmware-utils/mktplinkfw: add support for the TL-MR3420 v1

[openwrt.git] / tools / firmware-utils / src / mkzcfw.c

diff --git a/tools/firmware-utils/src/mkzcfw.c b/tools/firmware-utils/src/mkzcfw.c
index d438f03..7674e70 100644 (file)
--- a/tools/firmware-utils/src/mkzcfw.c
+++ b/tools/firmware-utils/src/mkzcfw.c
@@ -297,7 +297,7 @@ static int build_fw(void)
        /* fill firmware header */
        hdr = (struct fw_header *) p;
        hdr->magic = HOST_TO_LE32(MAGIC_FIRMWARE);
-       hdr->length = HOST_TO_LE32(buflen) - sizeof(struct fw_header);
+       hdr->length = HOST_TO_LE32(buflen - sizeof(struct fw_header));
        p += sizeof(struct fw_header);
 
        /* fill kernel block header */