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driver: tty: add missing unregister in err case

PATCH In review Libo Chen 2 participants 2 messages May 29, 2013

Subsystems (2)
TTY layer and serial drivers Freescale quicc engine ucc UART driver
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Libo Chen

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PATCH 1/1 driver: tty: add missing unregister in err case

when platform_driver_register broken, we should unregister ucc_uart_driver

Signed-off-by Libo chen <[email protected]>
---
 drivers/tty/serial/ucc_uart.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
drivers/tty/serial/ucc_uart.c +3 -1
index 7355303..f86f447 100644
@@ -1518,9 +1518,11 @@ static int __init ucc_uart_init(void)
 	}
 
 	ret = platform_driver_register(&ucc_uart_of_driver);
-	if (ret)
+	if (ret) {
 		printk(KERN_ERR
 		       "ucc-uart: could not register platform driver\n");
+		uart_unregister_driver(&ucc_uart_driver);
+	}
 
 	return ret;
 }
Signature · 1 line
1.7.1