Commit 13251ce1 authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Benjamin Tissoires

HID: potential dereference of null pointer

The return value of devm_kzalloc() needs to be checked.
To avoid hdev->dev->driver_data to be null in case of the failure of
alloc.

Fixes: 14c9c014 ("HID: add vivaldi HID driver")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20211215083605.117638-1-jiasheng@iscas.ac.cn
parent 93a2207c
......@@ -57,6 +57,9 @@ static int vivaldi_probe(struct hid_device *hdev,
int ret;
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
hid_set_drvdata(hdev, drvdata);
ret = hid_parse(hdev);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment