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-rw-r--r--src/network/networkd-address.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index e595cd6e94..ce85109d22 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -482,7 +482,7 @@ int config_parse_address(const char *unit,
r = safe_atou(e + 1, &i);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Interface prefix length is invalid, ignoring assignment: %s", e + 1);
+ "Prefix length is invalid, ignoring assignment: %s", e + 1);
return 0;
}
@@ -499,6 +499,15 @@ int config_parse_address(const char *unit,
return 0;
}
+ if (!e && f == AF_INET) {
+ r = in_addr_default_prefixlen(&buffer.in, &n->prefixlen);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address);
+ return 0;
+ }
+ }
+
if (n->family != AF_UNSPEC && f != n->family) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Address is incompatible, ignoring assignment: %s", address);