write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/s390/cio/device.c
..
..
@@ -1385,6 +1385,7 @@
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 enum io_sch_action {
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 	IO_SCH_UNREG,
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 	IO_SCH_ORPH_UNREG,
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+	IO_SCH_UNREG_CDEV,
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 	IO_SCH_ATTACH,
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 	IO_SCH_UNREG_ATTACH,
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 	IO_SCH_ORPH_ATTACH,
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@@ -1417,7 +1418,7 @@
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 	}
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 	if ((sch->schib.pmcw.pam & sch->opm) == 0) {
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 		if (ccw_device_notify(cdev, CIO_NO_PATH) != NOTIFY_OK)
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-			return IO_SCH_UNREG;
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+			return IO_SCH_UNREG_CDEV;
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 		return IO_SCH_DISC;
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 	}
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 	if (device_is_disconnected(cdev))
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@@ -1479,6 +1480,7 @@
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 	case IO_SCH_ORPH_ATTACH:
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 		ccw_device_set_disconnected(cdev);
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 		break;
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+	case IO_SCH_UNREG_CDEV:
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 	case IO_SCH_UNREG_ATTACH:
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 	case IO_SCH_UNREG:
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 		if (!cdev)
..
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@@ -1512,6 +1514,7 @@
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 		if (rc)
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 			goto out;
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 		break;
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+	case IO_SCH_UNREG_CDEV:
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 	case IO_SCH_UNREG_ATTACH:
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 		spin_lock_irqsave(sch->lock, flags);
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 		if (cdev->private->flags.resuming) {