From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> 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 <bartosz.golaszewski@xxxxxxxxxx> --- 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 6128ad820ea0..d8df1405edfa 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) -- 2.45.2