The patch titled
drivers/tty/serial/pch_uart.c: don't oops if dmi_get_system_info returns
NULL
has been added to the -mm tree. Its filename is
drivers-tty-serial-pch_uartc-dont-oops-if-dmi_get_system_info-returns-null.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: drivers/tty/serial/pch_uart.c: don't oops if dmi_get_system_info
returns NULL
From: Alexander Stein <[email protected]>
If dmi_get_system_info() returns NULL, pch_uart_init_port() will
dereferencea zero pointer.
Signed-off-by: Alexander Stein <[email protected]>
Cc: Greg KH <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
drivers/tty/serial/pch_uart.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN
drivers/tty/serial/pch_uart.c~drivers-tty-serial-pch_uartc-dont-oops-if-dmi_get_system_info-returns-null
drivers/tty/serial/pch_uart.c
---
a/drivers/tty/serial/pch_uart.c~drivers-tty-serial-pch_uartc-dont-oops-if-dmi_get_system_info-returns-null
+++ a/drivers/tty/serial/pch_uart.c
@@ -1396,6 +1396,7 @@ static struct eg20t_port *pch_uart_init_
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;
@@ -1411,7 +1412,8 @@ static struct eg20t_port *pch_uart_init_
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) {
_
Patches currently in -mm which might be from
[email protected] are
drivers-tty-serial-pch_uartc-dont-oops-if-dmi_get_system_info-returns-null.patch
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