[PATCH] janitor: Audit av7110_ir_init

From: Daniele <bellucda@tiscali.it>

- Audit av7110_ir_init
- On saa7146_register_extension failure report back its return code

drivers/media/dvb/ttpci/av7110.c

@@ -4745,12 +4745,19 @@ static struct saa7146_extension av7110_extension = {
 
 static int __init av7110_init(void) 
 {
-	if (saa7146_register_extension(&av7110_extension))
-		return -ENODEV;
-	
-	av7110_ir_init();
-
+	int retval;
+	retval = saa7146_register_extension(&av7110_extension);
+	if (retval)
+		goto failed_saa7146_register;
+	
+	retval = av7110_ir_init();
+	if (retval)
+		goto failed_av7110_ir_init;
 	return 0;
+failed_av7110_ir_init:
+	saa7146_unregister_extension(&av7110_extension);
+failed_saa7146_register:
+	return retval;
 }