| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 087/212] platform/x86: intel-hid: Fix return value check in check_acpi_dev() | Date | Thu, 20 Aug 2020 11:21:00 +0200 |
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From: Lu Wei <luwei32@huawei.com>
[ 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 <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 12dbb50633761..a5c645b9e3f2a 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -264,7 +264,7 @@ 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
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