Do not set MTU if none available or zero.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -53,7 +53,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
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let dnsSettings = NEDNSSettings(servers: splitDnsEntries)
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newSettings.dnsSettings = dnsSettings
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}
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if let mtu = mtu {
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if let mtu = mtu, mtu.intValue > 0 {
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newSettings.mtu = mtu
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}
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