Root/target/linux/brcm63xx/patches-3.2/041-bcm963xx_real_rootfs_length.patch

1--- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
2+++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h
3@@ -86,8 +86,10 @@ struct bcm_tag {
4     char rootfs_crc[CRC_LEN];
5     /* 224-227: CRC32 of kernel partition */
6     char kernel_crc[CRC_LEN];
7- /* 228-235: Unused at present */
8- char reserved1[8];
9+ /* 228-231: Image sequence number */
10+ char image_sequence[4];
11+ /* 222-235: Openwrt: real rootfs length */
12+ char real_rootfs_length[4];
13     /* 236-239: CRC32 of header excluding last 20 bytes */
14     char header_crc[CRC_LEN];
15     /* 240-255: Unused at present */
16--- a/drivers/mtd/maps/bcm963xx-flash.c
17+++ b/drivers/mtd/maps/bcm963xx-flash.c
18@@ -65,7 +65,7 @@ static int parse_cfe_partitions(struct m
19     int ret;
20     size_t retlen;
21     unsigned int rootfsaddr, kerneladdr, spareaddr;
22- unsigned int rootfslen, kernellen, sparelen, totallen;
23+ unsigned int rootfslen, kernellen, sparelen;
24     int namelen = 0;
25     int i;
26     char *boardid;
27@@ -86,7 +86,7 @@ static int parse_cfe_partitions(struct m
28 
29     sscanf(buf->kernel_address, "%u", &kerneladdr);
30     sscanf(buf->kernel_length, "%u", &kernellen);
31- sscanf(buf->total_length, "%u", &totallen);
32+ rootfslen = *(uint32_t *)(&(buf->real_rootfs_length));
33     tagversion = &(buf->tag_version[0]);
34     boardid = &(buf->board_id[0]);
35 
36@@ -95,7 +95,8 @@ static int parse_cfe_partitions(struct m
37 
38     kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE;
39     rootfsaddr = kerneladdr + kernellen;
40- spareaddr = roundup(totallen, master->erasesize) + master->erasesize;
41+ rootfslen = roundup(rootfslen, master->erasesize);
42+ spareaddr = rootfsaddr + rootfslen;
43     sparelen = master->size - spareaddr - master->erasesize;
44     rootfslen = spareaddr - rootfsaddr;
45 
46

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