diff options
| -rw-r--r-- | src/dhcp/nm-dhcp-nettools.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/dhcp/nm-dhcp-nettools.c b/src/dhcp/nm-dhcp-nettools.c index 5428e7c98d..214aa5d5e5 100644 --- a/src/dhcp/nm-dhcp-nettools.c +++ b/src/dhcp/nm-dhcp-nettools.c @@ -148,6 +148,7 @@ lease_option_next_route (struct in_addr *destp, uint8_t *data = *datap; size_t n_data = *n_datap; uint8_t plen; + uint8_t bytes; if (classless) { if (!lease_option_consume (&plen, sizeof (plen), &data, &n_data)) @@ -156,7 +157,9 @@ lease_option_next_route (struct in_addr *destp, if (plen > 32) return FALSE; - if (!lease_option_consume (&dest, plen / 8, &data, &n_data)) + bytes = plen == 0 ? 0 : ((plen - 1) / 8) + 1; + + if (!lease_option_consume (&dest, bytes, &data, &n_data)) return FALSE; } else { if (!lease_option_next_in_addr (&dest, &data, &n_data)) |