[media] staging: lirc: add missing platform_device_del() on error

Add the missing platform_device_del() before return from
lirc_parallel_init() in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

drivers/staging/media/lirc/lirc_parallel.c

@@ -650,7 +650,7 @@ static int __init lirc_parallel_init(void)
 	if (!pport) {
 		pr_notice("no port at %x found\n", io);
 		result = -ENXIO;
-		goto exit_device_put;
+		goto exit_device_del;
 	}
 	ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
 					   pf, kf, lirc_lirc_irq_handler, 0,
@@ -659,7 +659,7 @@ static int __init lirc_parallel_init(void)
 	if (!ppdevice) {
 		pr_notice("parport_register_device() failed\n");
 		result = -ENXIO;
-		goto exit_device_put;
+		goto exit_device_del;
 	}
 	if (parport_claim(ppdevice) != 0)
 		goto skip_init;
@@ -678,7 +678,7 @@ static int __init lirc_parallel_init(void)
 		parport_release(pport);
 		parport_unregister_device(ppdevice);
 		result = -EIO;
-		goto exit_device_put;
+		goto exit_device_del;
 	}
 
 #endif
@@ -695,11 +695,13 @@ static int __init lirc_parallel_init(void)
 		pr_notice("register_chrdev() failed\n");
 		parport_unregister_device(ppdevice);
 		result = -EIO;
-		goto exit_device_put;
+		goto exit_device_del;
 	}
 	pr_info("installed using port 0x%04x irq %d\n", io, irq);
 	return 0;
 
+exit_device_del:
+	platform_device_del(lirc_parallel_dev);
 exit_device_put:
 	platform_device_put(lirc_parallel_dev);
 exit_driver_unregister: