add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/s390/net/ctcm_main.c
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@@ -865,16 +865,9 @@
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 /**
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  * Start transmission of a packet.
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  * Called from generic network device layer.
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- *
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- *  skb		Pointer to buffer containing the packet.
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- *  dev		Pointer to interface struct.
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- *
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- * returns 0 if packet consumed, !0 if packet rejected.
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- *         Note: If we return !0, then the packet is free'd by
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- *               the generic network layer.
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  */
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 /* first merge version - leaving both functions separated */
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-static int ctcm_tx(struct sk_buff *skb, struct net_device *dev)
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+static netdev_tx_t ctcm_tx(struct sk_buff *skb, struct net_device *dev)
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 {
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 	struct ctcm_priv *priv = dev->ml_priv;
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@@ -917,7 +910,7 @@
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 }
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 /* unmerged MPC variant of ctcm_tx */
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-static int ctcmpc_tx(struct sk_buff *skb, struct net_device *dev)
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+static netdev_tx_t ctcmpc_tx(struct sk_buff *skb, struct net_device *dev)
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 {
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 	int len = 0;
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 	struct ctcm_priv *priv = dev->ml_priv;