devm_kzalloc will return NULL pointer if no memory was allocated. This should be checked. This problem also existed when the driver was dell-wmi.c. Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxxx> --- drivers/platform/x86/dell-wmi-descriptor.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/platform/x86/dell-wmi-descriptor.c b/drivers/platform/x86/dell-wmi-descriptor.c index 3204c408e261..28ef5f37cfbf 100644 --- a/drivers/platform/x86/dell-wmi-descriptor.c +++ b/drivers/platform/x86/dell-wmi-descriptor.c @@ -121,6 +121,11 @@ static int dell_wmi_descriptor_probe(struct wmi_device *wdev) priv = devm_kzalloc(&wdev->dev, sizeof(struct descriptor_priv), GFP_KERNEL); + if (!priv) { + ret = -ENOMEM; + goto out; + } + priv->interface_version = buffer[2]; priv->size = buffer[3]; ret = 0; -- 2.14.1