| commit | cd0a0bd9b8e157b19aa38eeac30c60f1a0d010bd | [log] [tgz] |
|---|---|---|
| author | Steffen Klassert <steffen.klassert@secunet.com> | Mon Sep 22 10:07:26 2014 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Sun Sep 28 16:19:46 2014 -0400 |
| tree | bc590a02ea4c79082993e0d026d9a6d60b894345 | |
| parent | d814b847be7b47575a1cc2194760d3461e1c43c8 [diff] |
ip6_gre: Return an error when adding an existing tunnel. ip6gre_tunnel_locate() should not return an existing tunnel if create is true. Otherwise it is possible to add the same tunnel multiple times without getting an error. So return NULL if the tunnel that should be created already exists. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>