Commit 45ab5166 authored by Charles Han's avatar Charles Han Committed by Jiri Kosina
Browse files

HID: winwing: Add NULL check in winwing_init_led() 



devm_kasprintf() can return a NULL pointer on failure,but this
returned value in winwing_init_led() is not checked.
Add NULL check in winwing_init_led(), to handle kernel NULL
pointer dereference error.

Fixes: 266c990d ("HID: Add WinWing Orion2 throttle support")
Signed-off-by: default avatarCharles Han <hanchunchao@inspur.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.com>
parent 05c4ede6

drivers/hid/hid-winwing.c

+2 −0
Original line number Diff line number Diff line
@@ -106,6 +106,8 @@ static int winwing_init_led(struct hid_device *hdev, 
						"%s::%s",

						dev_name(&input->dev),

						info->led_name);

		if (!led->cdev.name)

			return -ENOMEM;



		ret = devm_led_classdev_register(&hdev->dev, &led->cdev);

		if (ret)