From: Jiasheng Jiang jiasheng@iscas.ac.cn
commit 13251ce1dd9bb525da2becb9b26fdfb94ca58659 upstream.
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: 14c9c014babe ("HID: add vivaldi HID driver") Cc: stable@vger.kernel.org Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Signed-off-by: Benjamin Tissoires benjamin.tissoires@redhat.com Link: https://lore.kernel.org/r/20211215083605.117638-1-jiasheng@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hid/hid-vivaldi.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/hid/hid-vivaldi.c +++ b/drivers/hid/hid-vivaldi.c @@ -57,6 +57,9 @@ static int vivaldi_probe(struct hid_devi int ret;
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + hid_set_drvdata(hdev, drvdata);
ret = hid_parse(hdev);