From: Pierre Bourdon Date: Sat, 25 Dec 2021 19:50:19 +0000 (+0100) Subject: tools: kwbimage: Fix checksum calculation for v1 images X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=9203c73895ab410f7a57f56ec26201253a1f008b;p=u-boot.git tools: kwbimage: Fix checksum calculation for v1 images Recent changes caused fields in the image main header to be modified after the header checksum had already been computed. Move the checksum computation to once again be the last operation performed on the header. Fixes: 2b0980c24027 ("tools: kwbimage: Fill the real header size into the main header") Signed-off-by: Pierre Bourdon Reviewed-by: Pali Rohár Reviewed-by: Stefan Roese --- diff --git a/tools/kwbimage.c b/tools/kwbimage.c index da8bfe0518..224d8156be 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1400,9 +1400,6 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params, headersz, image, secure_hdr)) return NULL; - /* Calculate and set the header checksum */ - main_hdr->checksum = image_checksum8(main_hdr, headersz); - *imagesz = headersz; /* Fill the real header size without padding into the main header */ @@ -1412,6 +1409,9 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params, main_hdr->headersz_lsb = cpu_to_le16(headersz & 0xFFFF); main_hdr->headersz_msb = (headersz & 0xFFFF0000) >> 16; + /* Calculate and set the header checksum */ + main_hdr->checksum = image_checksum8(main_hdr, headersz); + return image; }