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authorLinus Torvalds <torvalds@linux-foundation.org>2024-04-11 11:15:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-04-11 11:15:09 -0700
commit346668f02a770f84bfcbac0c07e70569349eba08 (patch)
tree1e1b0e8cfb952c6ab742c2654d7c52fe4156c903
parente8c39d0f57f358950356a8e44ee5159f57f86ec5 (diff)
parent5e700b384ec13f5bcac9855cb28fcc674f1d3593 (diff)
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
-rw-r--r--drivers/platform/chrome/cros_ec_uart.c28
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 8ea867c2a01a..62bc24f6dcc7 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);
}