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/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
..
..
@@ -17,21 +17,26 @@
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 	if (d->props.i2c_algo == NULL) {
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 		err("no i2c algorithm specified");
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-		return -EINVAL;
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+		ret = -EINVAL;
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+		goto err;
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 	}
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-	strlcpy(d->i2c_adap.name, d->desc->name, sizeof(d->i2c_adap.name));
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+	strscpy(d->i2c_adap.name, d->desc->name, sizeof(d->i2c_adap.name));
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 	d->i2c_adap.algo      = d->props.i2c_algo;
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 	d->i2c_adap.algo_data = NULL;
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 	d->i2c_adap.dev.parent = &d->udev->dev;
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 	i2c_set_adapdata(&d->i2c_adap, d);
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-	if ((ret = i2c_add_adapter(&d->i2c_adap)) < 0)
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+	ret = i2c_add_adapter(&d->i2c_adap);
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+	if (ret < 0) {
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 		err("could not add i2c adapter");
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+		goto err;
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+	}
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 	d->state |= DVB_USB_STATE_I2C;
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+err:
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 	return ret;
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 }
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