patch-2.3.26 linux/drivers/usb/usb-serial.c

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diff -u --recursive --new-file v2.3.25/linux/drivers/usb/usb-serial.c linux/drivers/usb/usb-serial.c
@@ -665,7 +665,11 @@
 	}
 	
 	/* register the USB driver */
-	usb_register(&usb_serial_driver);
+	if (usb_register(&usb_serial_driver) < 0) {
+		tty_unregister_driver(&serial_tty_driver);
+		return -1;
+	}
+
 	printk(KERN_INFO "USB Serial support registered.\n");
 	return 0;
 }

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