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-rw-r--r--package/openwrt/jffs2root.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/package/openwrt/jffs2root.c b/package/openwrt/jffs2root.c
index aa718da59..36b928ff4 100644
--- a/package/openwrt/jffs2root.c
+++ b/package/openwrt/jffs2root.c
@@ -99,7 +99,7 @@ int main(int argc, char **argv)
printf("Partition already moved outside trx\n");
} else {
init_crc32();
- ptr->offsets[2] += mtdInfo.erasesize;
+ ptr->offsets[2] += (mtdInfo.erasesize - 1);
ptr->offsets[2] &= ~(mtdInfo.erasesize - 1);
ptr->len = ptr->offsets[2];
ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));