xfrm: state and policy should fail if XFRMA_IF_ID 0
xfrm ineterface does not allow xfrm if_id = 0 fail to create or update xfrm state and policy. With this commit: ip xfrm policy add src 192.0.2.1 dst 192.0.2.2 dir out if_id 0 RTNETLINK answers: Invalid argument ip xfrm state add src 192.0.2.1 dst 192.0.2.2 proto esp spi 1 \ reqid 1 mode tunnel aead 'rfc4106(gcm(aes))' \ 0x1111111111111111111111111111111111111111 96 if_id 0 RTNETLINK answers: Invalid argument v1->v2 change: - add Fixes: tag Fixes: 9f8550e4 ("xfrm: fix disable_xfrm sysctl when used on xfrm interfaces") Signed-off-by: Antony Antony <antony.antony@secunet.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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