diff options
Diffstat (limited to 'package/cfgfs/src/wraps.c')
| -rw-r--r-- | package/cfgfs/src/wraps.c | 8 |
1 files changed, 8 insertions, 0 deletions
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 |