Commit 61acabaa authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

serial: max310x: Unprepare and disable clock in error path 



In one error case the clock may be left prepared and enabled.
Unprepare and disable clock in that case to balance state of
the hardware.

Fixes: d4d6f03c ("serial: max310x: Try to get crystal clock rate from property")
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210625153733.12911-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2734d6c1

drivers/tty/serial/max310x.c

+2 −1
Original line number Diff line number Diff line
@@ -1293,7 +1293,8 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty 
		freq = uartclk;

	if (freq == 0) {

		dev_err(dev, "Cannot get clock rate\n");

		return -EINVAL;

		ret = -EINVAL;

		goto out_clk;

	}



	if (xtal) {