From e57eabe2fb044950e6ffdfe01803895043dec0b7 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Wed, 5 Mar 2025 11:31:46 +0100 Subject: [PATCH] platform/x86: thinkpad_acpi: check the return value of devm_mutex_init() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit devm_mutex_init() can fail so check its return value. Fixes: 38b9ab80db31 ("platform/x86: thinkpad_acpi: Move subdriver initialization to tpacpi_pdriver's probe.") Signed-off-by: Bartosz Golaszewski Link: https://lore.kernel.org/r/20250305103146.53221-1-brgl@bgdev.pl Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- drivers/platform/x86/thinkpad_acpi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index a7e82157bd673..4a581a6d66779 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -11849,7 +11849,9 @@ static int __init tpacpi_pdriver_probe(struct platform_device *pdev) { int ret; - devm_mutex_init(&pdev->dev, &tpacpi_inputdev_send_mutex); + ret = devm_mutex_init(&pdev->dev, &tpacpi_inputdev_send_mutex); + if (ret) + return ret; tpacpi_inputdev = devm_input_allocate_device(&pdev->dev); if (!tpacpi_inputdev) -- 2.47.3