target/linux/brcm63xx/patches-3.1/041-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 @@ -64,7 +64,7 @@ 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 @@ -85,7 +85,7 @@ 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 @@ -94,7 +94,8 @@ 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