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chrome-platform fixes for v6.9-rc4

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Fix a NULL pointer dereference.
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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
This commit is contained in:
Linus Torvalds 2024-04-11 11:15:09 -07:00
commit 346668f02a
1 changed files with 14 additions and 14 deletions
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28
drivers/platform/chrome/cros_ec_uart.c
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@ -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);
}