HID: potential dereference of null pointer

stable inclusion
from stable-v5.10.89
commit ef2dce43257df7488feb046de4706b9d657a4ad5
bugzilla: 186140 https://gitee.com/openeuler/kernel/issues/I4S8HA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ef2dce43257df7488feb046de4706b9d657a4ad5

--------------------------------

commit 13251ce1 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: 14c9c014 ("HID: add vivaldi HID driver")
Cc: stable@vger.kernel.org
Signed-off-by: NJiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20211215083605.117638-1-jiasheng@iscas.ac.cnSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/hid/hid-vivaldi.c

@@ -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);