From: Lu Wei Date: Fri, 10 Jul 2020 09:30:18 +0000 (+0800) Subject: platform/x86: intel-vbtn: Fix return value check in check_acpi_dev() X-Git-Tag: v4.14.194~170 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=93753a2ccedd2a5191e22eddccab56b04255f0a1;p=users%2Fdwmw2%2Flinux.git platform/x86: intel-vbtn: Fix return value check in check_acpi_dev() [ Upstream commit 64dd4a5a7d214a07e3d9f40227ec30ac8ba8796e ] In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: 332e081225fc ("intel-vbtn: new driver for Intel Virtual Button") Reported-by: Hulk Robot Signed-off-by: Lu Wei Signed-off-by: Andy Shevchenko Signed-off-by: Sasha Levin --- diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index 58c5ff36523ab..d7fa2b88d27ab 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -178,7 +178,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; if (acpi_match_device_ids(dev, ids) == 0) - if (acpi_create_platform_device(dev, NULL)) + if (!IS_ERR_OR_NULL(acpi_create_platform_device(dev, NULL))) dev_info(&dev->dev, "intel-vbtn: created platform device\n");