From: KeyYoung Park <keyyoung.park@xxxxxxxxxxx> When priting the serial clock source, if clock source name is null, kernel reference NULL point. Signed-off-by: KeyYoung Park <keyyoung.park@xxxxxxxxxxx> Signed-off-by: Huisung Kang <hs1218.kang@xxxxxxxxxxx> Signed-off-by: Kyoungil Kim <ki0351.kim@xxxxxxxxxxx> --- drivers/tty/serial/samsung.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index ea76b40..77484e0 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1160,7 +1160,8 @@ static ssize_t s3c24xx_serial_show_clksrc(struct device *dev, struct uart_port *port = s3c24xx_dev_to_port(dev); struct s3c24xx_uart_port *ourport = to_ourport(port); - return snprintf(buf, PAGE_SIZE, "* %s\n", ourport->baudclk->name); + return snprintf(buf, PAGE_SIZE, "* %s\n", + ourport->baudclk->name ?: "(null)"); } static DEVICE_ATTR(clock_source, S_IRUGO, s3c24xx_serial_show_clksrc, NULL); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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