diff options
| -rw-r--r-- | net/bootp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bootp.c b/net/bootp.c index e679f8b7f8..1a717867d4 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -456,6 +456,10 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = 42; *cnt += 1; #endif + /* no options, so back up to avoid sending an empty request list */ + if (*cnt == 0) + e -= 2; + *e++ = 255; /* End of the list */ /* Pad to minimal length */ |