Commit 8b9528a6 authored Nov 09, 2017 by Mario Limonciello Committed by Darren Hart (VMware) Nov 16, 2017

platform/x86: dell-wmi-descriptor: check if memory was allocated



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@dell.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

parent 73ed298b

drivers/platform/x86/dell-wmi-descriptor.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;