[PATCH 1/2] platform/x86: dell-wmi-descriptor: check if memory was allocated

[Mario Limonciello]

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.limoncie...@dell.com>
---
 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