Commits
Florian Westphal committed 6dd3c9ec238
ip_tunnel: return more precise errno value when adding tunnel fails Currently this always returns ENOBUFS, because the return value of __ip_tunnel_create is discarded. A more common failure is a duplicate name (EEXIST). Propagate the real error code so userspace can display a more meaningful error message. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>