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Fix index out of range when no metadata for gretap

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Sylvain Afchain 2017-10-24 10:05:02 +02:00 committed by Vish (Ishaya) Abrams
parent 0e3b74dbe2
commit 12728257a9
1 changed files with 3 additions and 1 deletions
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4
link_linux.go
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@ -1771,7 +1771,9 @@ func parseGretapData(link Link, data []syscall.NetlinkRouteAttr) {
case nl.IFLA_GRE_ENCAP_FLAGS:
gre.EncapFlags = native.Uint16(datum.Value[0:2])
case nl.IFLA_GRE_COLLECT_METADATA:
gre.FlowBased = int8(datum.Value[0]) != 0
if len(datum.Value) > 0 {
gre.FlowBased = int8(datum.Value[0]) != 0
}
}
}
}