diff options
| -rw-r--r-- | src/network/generator/network-generator.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/network/generator/network-generator.c b/src/network/generator/network-generator.c index 0b5af33566..95fcd945c9 100644 --- a/src/network/generator/network-generator.c +++ b/src/network/generator/network-generator.c @@ -574,7 +574,7 @@ static int parse_netmask_or_prefixlen(int family, const char **value, unsigned c static int parse_cmdline_ip_address(Context *context, int family, const char *value) { union in_addr_union addr = {}, peer = {}, gateway = {}; - const char *hostname, *ifname, *dhcp_type, *dns, *p; + const char *hostname = NULL, *ifname, *dhcp_type, *dns, *p; unsigned char prefixlen; int r; @@ -599,9 +599,11 @@ static int parse_cmdline_ip_address(Context *context, int family, const char *va if (!p) return -EINVAL; - hostname = strndupa(value, p - value); - if (!hostname_is_valid(hostname, false)) - return -EINVAL; + if (p != value) { + hostname = strndupa(value, p - value); + if (!hostname_is_valid(hostname, false)) + return -EINVAL; + } value = p + 1; |