add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/s390/net/qeth_l2_main.c
..
..
@@ -2270,9 +2270,12 @@
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 		qeth_enable_hw_features(dev);
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 		qeth_l2_enable_brport_features(card);
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-		if (card->info.open_when_online) {
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-			card->info.open_when_online = 0;
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-			dev_open(dev, NULL);
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+		if (netif_running(dev)) {
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+			local_bh_disable();
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+			napi_schedule(&card->napi);
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+			/* kick-start the NAPI softirq: */
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+			local_bh_enable();
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+			qeth_l2_set_rx_mode(dev);
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 		}
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 		rtnl_unlock();
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 	}