Merge tag 'tag-chrome-platform-fixes-for-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform fix from Tzung-Bi Shih:
 "Fix a NULL pointer dereference"

* tag 'tag-chrome-platform-fixes-for-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec_uart: properly fix race condition

1 files changed, 14 insertions, 14 deletions

diff --git a/drivers/platform/chrome/cros_ec_uart.c b/drivers/platform/chrome/cros_ec_uart.c
index 8ea867c2a01a37..62bc24f6dcc7a8 100644
--- a/drivers/platform/chrome/cros_ec_uart.c
+++ b/drivers/platform/chrome/cros_ec_uart.c
@@ -263,12 +263,6 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
 	if (!ec_dev)
 		return -ENOMEM;
 
-	ret = devm_serdev_device_open(dev, serdev);
-	if (ret) {
-		dev_err(dev, "Unable to open UART device");
-		return ret;
-	}
-
 	serdev_device_set_drvdata(serdev, ec_dev);
 	init_waitqueue_head(&ec_uart->response.wait_queue);
 
@@ -280,14 +274,6 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
 		return ret;
 	}
 
-	ret = serdev_device_set_baudrate(serdev, ec_uart->baudrate);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set up host baud rate (%d)", ret);
-		return ret;
-	}
-
-	serdev_device_set_flow_control(serdev, ec_uart->flowcontrol);
-
 	/* Initialize ec_dev for cros_ec  */
 	ec_dev->phys_name = dev_name(dev);
 	ec_dev->dev = dev;
@@ -301,6 +287,20 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
 
 	serdev_device_set_client_ops(serdev, &cros_ec_uart_client_ops);
 
+	ret = devm_serdev_device_open(dev, serdev);
+	if (ret) {
+		dev_err(dev, "Unable to open UART device");
+		return ret;
+	}
+
+	ret = serdev_device_set_baudrate(serdev, ec_uart->baudrate);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set up host baud rate (%d)", ret);
+		return ret;
+	}
+
+	serdev_device_set_flow_control(serdev, ec_uart->flowcontrol);
+
 	return cros_ec_register(ec_dev);
 }