[libvirt] [PATCHv2 5/7] virSocketAddrGetIpPrefix 0.0.0.0 special case

If 0.0.0.0 address is provided, then the returned prefix should be 0, rather than 8. --- src/util/virsocketaddr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/util/virsocketaddr.c b/src/util/virsocketaddr.c index c5584af..e7870bf 100644 --- a/src/util/virsocketaddr.c +++ b/src/util/virsocketaddr.c @@ -832,6 +832,12 @@ virSocketAddrGetIpPrefix(const virSocketAddr *address, */ unsigned char octet = ntohl(address->data.inet4.sin_addr.s_addr) >> 24; + + /* If address is 0.0.0.0, we surely want to have 0 prefix for + * the default route. */ + if (address->data.inet4.sin_addr.s_addr == 0) + return 0; + if ((octet & 0x80) == 0) { /* Class A network */ return 8; -- 2.1.2