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authorPali Rohár <pali@kernel.org>2021-10-25 15:13:00 +0200
committerStefan Roese <sr@denx.de>2021-11-03 06:45:27 +0100
commited792c2938331a68f4b271a6d4d0250057449608 (patch)
treedbfe4522ac67a37a07863b1daf819103bdb37ffd /tools/kwboot.c
parent8e2e7ca1fe3a822aec31b4672b4615c07afa89c0 (diff)
downloadu-boot-socfpga-ed792c2938331a68f4b271a6d4d0250057449608.tar.gz
tools: kwboot: Simplify code for aligning image header
Expression (hdrsz % KWBOOT_XM_BLKSZ) is non-zero therefore expression (KWBOOT_XM_BLKSZ - hdrsz % KWBOOT_XM_BLKSZ) is always less than value KWBOOT_XM_BLKSZ. So there is no need to add another modulo. Also rename variable `offset` to `grow` which better describes what is stored in this variable. Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'tools/kwboot.c')
-rw-r--r--tools/kwboot.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c
index 7fd28aa754..adec4ec97d 100644
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -1563,8 +1563,7 @@ kwboot_img_patch(void *img, size_t *size, int baudrate)
}
if (hdrsz % KWBOOT_XM_BLKSZ) {
- size_t offset = (KWBOOT_XM_BLKSZ - hdrsz % KWBOOT_XM_BLKSZ) %
- KWBOOT_XM_BLKSZ;
+ size_t grow = KWBOOT_XM_BLKSZ - hdrsz % KWBOOT_XM_BLKSZ;
if (is_secure) {
fprintf(stderr, "Cannot align image with secure header\n");
@@ -1572,7 +1571,7 @@ kwboot_img_patch(void *img, size_t *size, int baudrate)
}
kwboot_printv("Aligning image header to Xmodem block size\n");
- kwboot_img_grow_hdr(img, size, offset);
+ kwboot_img_grow_hdr(img, size, grow);
}
hdr->checksum = kwboot_hdr_csum8(hdr) - csum;