[LEDE-DEV] [PATCH] kernel: mtdsplit: calculate kernel partition precisely for Seama

[Rafał Miłecki]

So far "kernel" partition didn't contain just a kernel. It also included
Seama header and meta data. This was making kernel update complex and it
wasn't trivial to read kernel size.
Fix it by making "kernel" parition contain just a kernel image.

Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
 target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_seama.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_seama.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_seama.c
index ee0444a..9fe1311 100644
--- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_seama.c
+++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_seama.c
@@ -79,8 +79,8 @@ static int mtdsplit_parse_seama(struct mtd_info *master,
 		return -ENOMEM;
 
 	parts[0].name = KERNEL_PART_NAME;
-	parts[0].offset = 0;
-	parts[0].size = rootfs_offset;
+	parts[0].offset = sizeof hdr + be16_to_cpu(hdr.metasize);
+	parts[0].size = rootfs_offset - parts[0].offset;
 
 	if (type == MTDSPLIT_PART_TYPE_UBI)
 		parts[1].name = UBI_PART_NAME;
-- 
1.8.4.5