[PATCH 4.9 031/104] serial: 8250: moxa: Store num_ports in brd

From: Greg Kroah-Hartman
Date: Fri Oct 06 2017 - 04:54:57 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: "Matwey V. Kornilov" <matwey@xxxxxxxxxx>


[ Upstream commit 9c4b60fe5313c125b1bf68ef04b0010512c27f2d ]

When struct moxa8250_board is allocated, then num_ports should
be initialized in order to use it later in moxa8250_remove.

Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_moxa.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/tty/serial/8250/8250_moxa.c
+++ b/drivers/tty/serial/8250/8250_moxa.c
@@ -68,6 +68,7 @@ static int moxa8250_probe(struct pci_dev
sizeof(unsigned int) * nr_ports, GFP_KERNEL);
if (!brd)
return -ENOMEM;
+ brd->num_ports = nr_ports;

memset(&uart, 0, sizeof(struct uart_8250_port));