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virNetSocketCheckProtocols: lookup IPv6 only if suspecting IPv6

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There is not much sense trying to disprove host is IPv6 capable
if we know after first round (getifaddrs()) that is is not.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Michal Privoznik 2020-07-15 13:48:45 +02:00
parent e146f4beef
commit 9536379da4
1 changed files with 2 additions and 1 deletions
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3
src/rpc/virnetsocket.c
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@ -206,7 +206,8 @@ int virNetSocketCheckProtocols(bool *hasIPv4,
freeifaddrs(ifaddr);
if (virNetSocketCheckProtocolByLookup("::1", AF_INET6, hasIPv6) < 0)
if (hasIPv6 &&
virNetSocketCheckProtocolByLookup("::1", AF_INET6, hasIPv6) < 0)
return -1;
VIR_DEBUG("Protocols: v4 %d v6 %d", *hasIPv4, *hasIPv6);