add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/sfc/ef100_tx.c
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@@ -333,7 +333,8 @@
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  * Returns 0 on success, error code otherwise. In case of an error this
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  * function will free the SKB.
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  */
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-int ef100_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
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+netdev_tx_t ef100_enqueue_skb(struct efx_tx_queue *tx_queue,
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+			      struct sk_buff *skb)
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 {
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 	unsigned int old_insert_count = tx_queue->insert_count;
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 	struct efx_nic *efx = tx_queue->efx;