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(parent: 18489a7) | patch
ip6_vti: Return an error when adding an existing tunnel.
authorSteffen Klassert <steffen.klassert@secunet.com>
Mon, 22 Sep 2014 08:07:25 +0000 (10:07 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sun, 28 Sep 2014 20:19:46 +0000 (16:19 -0400)
commit0b8cbea92bd82aeaa5d8ce1e053244fbe03173eb
treebd1c67a308488c25dfb2c407d4cf0aa1760ffdbdtree | snapshot
parent18489a71923292fc93ac943de48797d3b2759905commit | diff
ip6_vti: Return an error when adding an existing tunnel.

vti6_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_vti.c diff | blob | history
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