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fwu: mtd: Fix dfu_alt_info generation for 2 images per bank

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Code rewrites the last char of size with adding &. It is visible from
dfu_alt_info print before this patch:

Make dfu_alt_info: 'mtd nor0=bank0 raw 2320000 80000;bank1 raw 27a0000
8000&mtd nor0=bank0 raw 23a0000 4000000;bank1 raw 2820000 4000000'

And after it:
Make dfu_alt_info: 'mtd nor0=bank0 raw 2320000 80000;bank1 raw 27a0000
80000&mtd nor0=bank0 raw 23a0000 4000000;bank1 raw 2820000 4000000'

Size for bank0 and bank1 must be the same because it is the same image.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Michal Simek 2023-07-13 16:36:27 +02:00 committed by Tom Rini
parent a6dd927f5b
commit 395ab12b5f
1 changed files with 4 additions and 2 deletions
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6
lib/fwu_updates/fwu_mtd.c
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@ -175,8 +175,10 @@ int fwu_gen_alt_info_from_mtd(char *buf, size_t len, struct mtd_info *mtd)
l = strlen(buf);
/* Replace the last ';' with '&' if there is another image. */
if (i != CONFIG_FWU_NUM_IMAGES_PER_BANK - 1 && l)
buf[l - 1] = '&';
if (i != CONFIG_FWU_NUM_IMAGES_PER_BANK - 1 && l) {
buf[l] = '&';
buf++;
}
len -= l;
buf += l;
}