From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 15/21] platform/x86: intel-hid: Fix return value check in check_acpi_dev() Date: Sat, 8 Aug 2020 19:39:35 -0400 Message-ID: <20200808233941.3619277-15-sashal@kernel.org> References: <20200808233941.3619277-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200808233941.3619277-1-sashal@kernel.org> Sender: stable-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lu Wei , Hulk Robot , Andy Shevchenko , Sasha Levin , platform-driver-x86@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org From: Lu Wei [ Upstream commit 71fbe886ce6dd0be17f20aded9c63fe58edd2806 ] 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: ecc83e52b28c ("intel-hid: new hid event driver for hotkeys") Reported-by: Hulk Robot Signed-off-by: Lu Wei Signed-off-by: Andy Shevchenko Signed-off-by: Sasha Levin --- drivers/platform/x86/intel-hid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index c514cb73bb500..d7d69eadb9bba 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -564,7 +564,7 @@ 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-hid: created platform device\n"); -- 2.25.1