diff options
Diffstat (limited to 'net/dns_resolver')
| -rw-r--r-- | net/dns_resolver/dns_query.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c index e1c09d7b8200..c250d82cad96 100644 --- a/net/dns_resolver/dns_query.c +++ b/net/dns_resolver/dns_query.c @@ -73,7 +73,7 @@ int dns_query(struct net *net, kenter("%s,%*.*s,%zu,%s", type, (int)namelen, (int)namelen, name, namelen, options); - if (!name || namelen == 0) + if (!name || namelen < 3 || namelen > 255) return -EINVAL; /* construct the query key description as "[<type>:]<name>" */ @@ -86,8 +86,6 @@ int dns_query(struct net *net, desclen += typelen + 1; } - if (namelen < 3 || namelen > 255) - return -EINVAL; desclen += namelen + 1; desc = kmalloc(desclen, GFP_KERNEL); |