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(parent: 5a4ee9a) | patch
ip6_tunnel: Return an error when adding an existing tunnel.
authorSteffen Klassert <steffen.klassert@secunet.com>
Mon, 22 Sep 2014 08:07:24 +0000 (10:07 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sun, 28 Sep 2014 20:19:46 +0000 (16:19 -0400)
commit2b0bb01b6edb3e13c7f71e43bf3a173a795b7b66
tree7b5aa53470eadec8abbd7ddb586ba14bc4af86e4tree | snapshot (tar.gz zip)
parent5a4ee9a9a066b1600509d968e1e9eab37c8501d8commit | diff
ip6_tunnel: Return an error when adding an existing tunnel.

ip6_tnl_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>
net/ipv6/ip6_tunnel.c diff | blob | blame | history
Motorola kernel-slsi