From 8b9528a6d9a901b9f933231505fef5630e80ce5a Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Thu, 9 Nov 2017 11:49:09 -0600 Subject: platform/x86: dell-wmi-descriptor: check if memory was allocated MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Pali Rohár Signed-off-by: Darren Hart (VMware) --- drivers/platform/x86/dell-wmi-descriptor.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/platform/x86/dell-wmi-descriptor.c') 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; -- cgit v1.2.3-59-g8ed1b