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swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
Revision d61746b2e71bf612fb397b00242de5df5ba7f29a authored by Steffen Klassert on 22 September 2014, 07:11:08 UTC, committed by David S. Miller on 26 September 2014, 04:41:30 UTC 
ip_tunnel: Don't allow to add the same tunnel multiple times.
 
When we try to add an already existing tunnel, we don't return
an error. Instead we continue and call ip_tunnel_update().
This means that we can change existing tunnels by adding
the same tunnel multiple times. It is even possible to change
the tunnel endpoints of the fallback device.

We fix this by returning an error if we try to add an existing
tunnel.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent b94d525
History
Tip revision: a9c9a6f741cdaa2fa9ba24a790db8d07295761e3 authored by Linus Torvalds on 02 September 2021, 22:09:46 UTC
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Tip revision: a9c9a6f
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