add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/can/vxcan.c
..
..
@@ -179,12 +179,7 @@
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 		nla_peer = data[VXCAN_INFO_PEER];
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 		ifmp = nla_data(nla_peer);
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-		err = rtnl_nla_parse_ifla(peer_tb,
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-					  nla_data(nla_peer) +
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-					  sizeof(struct ifinfomsg),
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-					  nla_len(nla_peer) -
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-					  sizeof(struct ifinfomsg),
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-					  NULL);
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+		err = rtnl_nla_parse_ifinfomsg(peer_tb, nla_peer, extack);
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 		if (err < 0)
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 			return err;
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