diff options
| -rw-r--r-- | stand/libsa/smbios.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/stand/libsa/smbios.c b/stand/libsa/smbios.c index a88d3ac4ab69..01083fdfd756 100644 --- a/stand/libsa/smbios.c +++ b/stand/libsa/smbios.c @@ -520,19 +520,23 @@ smbios_find_struct(int type) { caddr_t dmi; size_t i; + caddr_t ep; if (smbios.addr == NULL) return (NULL); + ep = smbios.addr + smbios.length; for (dmi = smbios.addr, i = 0; - dmi < smbios.addr + smbios.length && i < smbios.count; i++) { - if (SMBIOS_GET8(dmi, 0) == type) + dmi < ep && i < smbios.count; i++) { + if (SMBIOS_GET8(dmi, 0) == type) { return dmi; + } /* Find structure terminator. */ dmi = SMBIOS_GETSTR(dmi); - while (SMBIOS_GET16(dmi, 0) != 0) + while (SMBIOS_GET16(dmi, 0) != 0 && dmi < ep) { dmi++; - dmi += 2; + } + dmi += 2; /* For checksum */ } return (NULL); |