serial: icom: dereference after free in load_code()

We use "fw" in the next line after we release it.  I've shifted the call
to release_firmware() down a couple lines to fix this.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/icom.c

@@ -455,11 +455,11 @@ static void load_code(struct icom_port *icom_port)
 	for (index = 0; index < fw->size; index++)
 		new_page[index] = fw->data[index];
 
-	release_firmware(fw);
-
 	writeb((char) ((fw->size + 16)/16), &icom_port->dram->mac_length);
 	writel(temp_pci, &icom_port->dram->mac_load_addr);
 
+	release_firmware(fw);
+
 	/*Setting the syncReg to 0x80 causes adapter to start downloading
 	   the personality code into adapter instruction RAM.
 	   Once code is loaded, it will begin executing and, based on