修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/qrtr/tun.c
..
..
@@ -127,15 +127,11 @@
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 static int qrtr_tun_release(struct inode *inode, struct file *filp)
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 {
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 	struct qrtr_tun *tun = filp->private_data;
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-	struct sk_buff *skb;
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 	qrtr_endpoint_unregister(&tun->ep);
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 	/* Discard all SKBs */
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-	while (!skb_queue_empty(&tun->queue)) {
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-		skb = skb_dequeue(&tun->queue);
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-		kfree_skb(skb);
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-	}
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+	skb_queue_purge(&tun->queue);
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 	kfree(tun);
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