diff options
| author |   Dave Barach <dave@barachs.net> | 2019-08-21 09:11:41 -0400 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-08-21 14:51:38 +0000 |
| commit | 4bf8888019cbaad44bd3d775bb269042a53bbfc1 (patch) | |
| tree | 7632561cb7ff43166b68fb2462fca4e0f07314ad /src | |
| parent | 17f2a7bbf25f54dbd71aa8f377875828b7b88e35 (diff) | |
dns: add basic functional "make test" case
Type: test
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I88e93b510d8d4f7b59f3e630539dc7e0264afa47
Diffstat (limited to 'src')
| -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); |