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Diffstat (limited to 'src/vnet/dns/dns.c')
| -rw-r--r-- | src/vnet/dns/dns.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/dns/dns.c b/src/vnet/dns/dns.c index eac95450485..304aa1868fe 100644 --- a/src/vnet/dns/dns.c +++ b/src/vnet/dns/dns.c @@ -821,6 +821,10 @@ vnet_dns_resolve_name (dns_main_t * dm, u8 * name, dns_pending_request_t * t, /* In case we can't actually answer the question right now... */ *retp = 0; + /* binary API caller might forget to set the name. Guess how we know. */ + if (name[0] == 0) + return VNET_API_ERROR_INVALID_VALUE; + dns_cache_lock (dm); search_again: p = hash_get_mem (dm->cache_entry_by_name, name); |