diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2013-10-17 18:19:59 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2013-10-17 18:19:59 +0200 |
| commit | e4938d7ddd08016bfd4cff81994a8c7d762d6d50 (patch) | |
| tree | fcef46443f8bab6f40e120b1103851a6c588212a /package/cfgfs/src | |
| parent | cc5d4d9393159133f3d5d6205cafc148cdd95945 (diff) | |
check for maximum of 16 MB cfgfs partition, more is not available by design, thx @tg for the info
Diffstat (limited to 'package/cfgfs/src')
| -rw-r--r-- | package/cfgfs/src/defs.h | 2 | ||||
| -rw-r--r-- | package/cfgfs/src/wraps.c | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/package/cfgfs/src/defs.h b/package/cfgfs/src/defs.h index c099ffb5a..5a70d8c14 100644 --- a/package/cfgfs/src/defs.h +++ b/package/cfgfs/src/defs.h @@ -10,7 +10,7 @@ #define DEFS_H #define DEF_FLASHBLOCK 65536 /* size of a flash block */ -#define DEF_FLASHPART 4194304 /* max size of the partition */ +#define DEF_FLASHPART 16777215 /* max size of the partition */ #define FWCF_VER 0x01 /* major version of spec used */ diff --git a/package/cfgfs/src/wraps.c b/package/cfgfs/src/wraps.c index 288f6dbab..0364c7b71 100644 --- a/package/cfgfs/src/wraps.c +++ b/package/cfgfs/src/wraps.c @@ -77,6 +77,14 @@ fwcf_pack(char *odata, size_t i, int algo, size_t *dstsz) /* 12 bytes header, padding to 4-byte boundary, 4 bytes trailer */ k = ((j + 19) / 4) * 4; + +#if DEF_FLASHPART > 0xFFFFFF +# error DEF_FLASHPART too large +#endif + if (k > DEF_FLASHPART) + errx(1, "%lu bytes too large for flash partition of %lu KiB", + (u_long)k, DEF_FLASHPART / 1024UL); + /* padded to size of flash block */ #if (DEF_FLASHBLOCK & 3) # error DEF_FLASHBLOCK must be dword-aligned |