add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/s390/char/con3215.c
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@@ -398,6 +398,7 @@
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 		}
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 		if (dstat == 0x08)
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 			break;
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+		fallthrough;
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 	case 0x04:
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 		/* Device end interrupt. */
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 		if ((raw = req->info) == NULL)
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@@ -977,7 +978,6 @@
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 static int tty3215_open(struct tty_struct *tty, struct file * filp)
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 {
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 	struct raw3215_info *raw = tty->driver_data;
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-	int retval;
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 	tty_port_tty_set(&raw->port, tty);
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@@ -985,11 +985,7 @@
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 	/*
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 	 * Start up 3215 device
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 	 */
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-	retval = raw3215_startup(raw);
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-	if (retval)
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-		return retval;
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-
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-	return 0;
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+	return raw3215_startup(raw);
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 }
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 /*