dns: remove redundant zero length namelen check

The zero namelen check is redundant as it has already been checked
for zero at the start of the function.  Remove the redundant check.

Addresses-Coverity: ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index 76338c38738a748aeaa899ebf30247c0f69741a8..19aa32fc1802b44a971eecd6f7b9f967ec2900d9 100644 (file)
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -94,8 +94,6 @@ int dns_query(const char *type, const char *name, size_t namelen,
                desclen += typelen + 1;
        }
 
-       if (!namelen)
-               namelen = strnlen(name, 256);
        if (namelen < 3 || namelen > 255)
                return -EINVAL;
        desclen += namelen + 1;