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-rw-r--r--drivers/tty/serial/pch_uart.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index f2cb7503fcb2..465210930890 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1397,6 +1397,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
int fifosize, base_baud;
int port_type;
struct pch_uart_driver_data *board;
+ const char *board_name;
board = &drv_dat[id->driver_data];
port_type = board->port_type;
@@ -1412,7 +1413,8 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
base_baud = 1843200; /* 1.8432MHz */
/* quirk for CM-iTC board */
- if (strstr(dmi_get_system_info(DMI_BOARD_NAME), "CM-iTC"))
+ board_name = dmi_get_system_info(DMI_BOARD_NAME);
+ if (board_name && strstr(board_name, "CM-iTC"))
base_baud = 192000000; /* 192.0MHz */
switch (port_type) {
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