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>
Reviewed-by: Pali Rohár <pali.rohar@xxxxxxxxx>
---
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
