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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/usb/misc/lvstest.c
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@@ -310,7 +310,7 @@
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 }
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 static DEVICE_ATTR_WO(enable_compliance);
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-static struct attribute *lvs_attributes[] = {
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+static struct attribute *lvs_attrs[] = {
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 	&dev_attr_get_dev_desc.attr,
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 	&dev_attr_u1_timeout.attr,
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 	&dev_attr_u2_timeout.attr,
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@@ -321,10 +321,7 @@
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 	&dev_attr_enable_compliance.attr,
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 	NULL
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 };
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-
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-static const struct attribute_group lvs_attr_group = {
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-	.attrs = lvs_attributes,
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-};
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+ATTRIBUTE_GROUPS(lvs);
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 static void lvs_rh_work(struct work_struct *work)
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 {
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@@ -439,12 +436,6 @@
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 	INIT_WORK(&lvs->rh_work, lvs_rh_work);
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-	ret = sysfs_create_group(&intf->dev.kobj, &lvs_attr_group);
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-	if (ret < 0) {
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-		dev_err(&intf->dev, "Failed to create sysfs node %d\n", ret);
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-		goto free_urb;
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-	}
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-
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 	pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);
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 	maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe));
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 	usb_fill_int_urb(lvs->urb, hdev, pipe, &lvs->buffer[0], maxp,
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@@ -453,13 +444,11 @@
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 	ret = usb_submit_urb(lvs->urb, GFP_KERNEL);
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 	if (ret < 0) {
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 		dev_err(&intf->dev, "couldn't submit lvs urb %d\n", ret);
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-		goto sysfs_remove;
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+		goto free_urb;
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 	}
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 	return ret;
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-sysfs_remove:
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-	sysfs_remove_group(&intf->dev.kobj, &lvs_attr_group);
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 free_urb:
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 	usb_free_urb(lvs->urb);
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 	return ret;
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@@ -469,7 +458,6 @@
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 {
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 	struct lvs_rh *lvs = usb_get_intfdata(intf);
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-	sysfs_remove_group(&intf->dev.kobj, &lvs_attr_group);
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 	usb_poison_urb(lvs->urb); /* used in scheduled work */
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 	flush_work(&lvs->rh_work);
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 	usb_free_urb(lvs->urb);
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@@ -479,6 +467,7 @@
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 	.name =		"lvs",
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 	.probe =	lvs_rh_probe,
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 	.disconnect =	lvs_rh_disconnect,
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+	.dev_groups =	lvs_groups,
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 };
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 module_usb_driver(lvs_driver);