From: Chuanhong Guo Date: Fri, 28 Jun 2024 08:31:59 +0000 (+0800) Subject: kernel: mtdsplit: fix fit rootfs_data split X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7117ebab0bc681aa6657202dd44c6b562335901b;p=openwrt%2Fstaging%2Fblocktrron.git kernel: mtdsplit: fix fit rootfs_data split fit size should be rounded up instead of rounding down first and adding a block. Otherwise the calculated size is one block more than needed when fit size is exactly multiples of one block size. Fixes: 9a863f803ec1 ("kernel: mtdsplit: add support for FIT image") Signed-off-by: Chuanhong Guo Signed-off-by: Qingfang Deng --- diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c index 3b71597d23..a271a676e1 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c @@ -278,7 +278,7 @@ mtdsplit_fit_parse(struct mtd_info *mtd, parts[0].name = KERNEL_PART_NAME; parts[0].offset = fit_offset; - parts[0].size = mtd_rounddown_to_eb(fit_size + offset_start, mtd) + mtd->erasesize; + parts[0].size = mtd_roundup_to_eb(fit_size + offset_start, mtd); if (type == MTDSPLIT_PART_TYPE_UBI) parts[1].name = UBI_PART_NAME; @@ -327,7 +327,7 @@ mtdsplit_fit_parse(struct mtd_info *mtd, return -ENOMEM; parts[0].name = ROOTFS_SPLIT_NAME; - parts[0].offset = fit_offset + mtd_rounddown_to_eb(max_size, mtd) + mtd->erasesize; + parts[0].offset = fit_offset + mtd_roundup_to_eb(max_size, mtd); parts[0].size = mtd->size - parts[0].offset; *pparts = parts;