diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/cbfs.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c index 11098b6b86..3a79502fbb 100644 --- a/src/lib/cbfs.c +++ b/src/lib/cbfs.c @@ -96,14 +96,23 @@ struct cbfs_file *cbfs_find(const char *name) return NULL; offset = 0 - ntohl(header->romsize) + ntohl(header->offset); + int align= ntohl(header->align); + while(1) { struct cbfs_file *file = (struct cbfs_file *) offset; - if (cbfs_check_magic(file)) printk_info("Check %s\n", CBFS_NAME(file)); - if (cbfs_check_magic(file) && - !strcmp(CBFS_NAME(file), name)) + if (!cbfs_check_magic(file)) return NULL; + printk_info("Check %s\n", CBFS_NAME(file)); + if (!strcmp(CBFS_NAME(file), name)) return file; - offset += ntohl(header->align); + int flen = ntohl(file->len); + int foffset = ntohl(file->offset); + printk_spew("CBFS: follow chain: %p + %x + %x + align -> ", offset, foffset, flen); + + unsigned long oldoffset = offset; + offset = ALIGN(offset + foffset + flen, align); + printk_spew("%p\n", offset); + if (offset <= oldoffset) return NULL; if (offset < 0xFFFFFFFF - ntohl(header->romsize)) return NULL; |