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openwrt-xburst/target/linux/brcm63xx/patches-3.3/405-bcm963xx_real_rootfs_length.patch
jogo e1696ca671 linux: export bcm963xx_tag.h to userspace
Export bcm963xx_tag.h so mtd can use it without using kernel includes.

Signed-off-by: Catalin Patulea <cat@vv.carleton.ca>
[jonas.gorski@gmail.com: fixup bcm63xx patches, completely remove header
 from original location, refresh patches, use  a more matching patch
 number, port to 3.6]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34103 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-11-06 15:21:46 +00:00

28 lines
905 B
Diff

--- a/include/linux/bcm963xx_tag.h
+++ b/include/linux/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
@@ -131,7 +131,8 @@ 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",