target/linux/brcm63xx/patches-4.14/401-bcm963xx_real_rootfs_length.patch

   1 --- a/include/linux/bcm963xx_tag.h
   2 +++ b/include/linux/bcm963xx_tag.h
   3 @@ -92,8 +92,10 @@ struct bcm_tag {
   4         __u32 rootfs_crc;
   5         /* 224-227: CRC32 of kernel partition */
   6         __u32 kernel_crc;
   7 -       /* 228-235: Unused at present */
   8 -       char reserved1[8];
   9 +       /* 228-231: Unused at present */
  10 +       char reserved1[4];
  11 +       /* 222-235: Openwrt: real rootfs length */
  12 +       __u32 real_rootfs_length;
  13         /* 236-239: CRC32 of header excluding last 20 bytes */
  14         __u32 header_crc;
  15         /* 240-255: Unused at present */
  16 --- a/drivers/mtd/parsers/parser_imagetag.c
  17 +++ b/drivers/mtd/parsers/parser_imagetag.c
  18 @@ -137,7 +137,8 @@ static int bcm963xx_parse_imagetag_parti
  19                 } else {
  20                         /* OpenWrt layout */
  21                         rootfsaddr = kerneladdr + kernellen;
  22 -                       rootfslen = spareaddr - rootfsaddr;
  23 +                       rootfslen = buf->real_rootfs_length;
  24 +                       spareaddr = rootfsaddr + rootfslen;
  25                 }
  26         } else {
  27                 goto out;