openwrt/target/linux/brcm63xx/patches-3.18/401-bcm963xx_real_rootfs_length.patch
Jonas Gorski 92eb27f56d package: mtd: move bcm963xx_tag definition into source code
Remove the need for the header file to be exported - we don't need most
of it anyway; all we care about are the offset of the rootfs length and
header crc fields.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 44557
2015-02-27 17:38:25 +00:00

28 lines
947 B
Diff

--- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
@@ -85,8 +85,10 @@ struct bcm_tag {
__u32 rootfs_crc;
/* 224-227: CRC32 of kernel partition */
__u32 kernel_crc;
- /* 228-235: Unused at present */
- char reserved1[8];
+ /* 228-231: Image sequence number */
+ char image_sequence[4];
+ /* 222-235: Openwrt: real rootfs length */
+ __u32 real_rootfs_length;
/* 236-239: CRC32 of header excluding last 20 bytes */
__u32 header_crc;
/* 240-255: Unused at present */
--- a/drivers/mtd/bcm63xxpart.c
+++ b/drivers/mtd/bcm63xxpart.c
@@ -110,7 +110,8 @@ static int bcm63xx_parse_cfe_partitions(
} else {
/* OpenWrt layout */
rootfsaddr = kerneladdr + kernellen;
- rootfslen = spareaddr - rootfsaddr;
+ rootfslen = buf->real_rootfs_length;
+ spareaddr = rootfsaddr + rootfslen;
}
} else {
pr_warn("CFE boot tag CRC invalid (expected %08x, actual %08x)\n",