[IRDA]: Fix memory leak in sa1100_ir.c

drivers/net/irda/sa1100_ir.c

@@ -1132,12 +1132,8 @@ static void __exit sa1100_irda_exit(void)
 	release_mem_region(__PREG(Ser2HSCR0), 0x1c);
 	release_mem_region(__PREG(Ser2UTCR0), 0x24);
 
-	/*
-	 * We now know that the netdevice is no longer in use, and all
-	 * references to our driver have been removed.  The only structure
-	 * which may still be present is the netdevice, which will get
-	 * cleaned up by net/core/dev.c
-	 */
+	if(dev)
+		free_netdev(dev);
 }
 
 static int __init sa1100ir_setup(char *line)