From: Alexander Stein <alexander.stein@systec-electronic.com>
To: linux-kernel@vger.kernel.org
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Subject: [PATCH] pch_uart: Don't panic if dmi_get_system_info returns NULL
Date: Wed, 1 Jun 2011 14:11:25 +0200 [thread overview]
Message-ID: <1306930285-9977-1-git-send-email-alexander.stein@systec-electronic.com> (raw)
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
---
drivers/tty/serial/pch_uart.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index f2cb750..4652109 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) {
--
1.7.3.4
next reply other threads:[~2011-06-01 12:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-01 12:11 Alexander Stein [this message]
2011-06-08 21:44 ` Andrew Morton
2011-06-09 11:21 ` [PATCH v2] pch_uart: Don't oops " Alexander Stein
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