CVE-2024-58021 HID: winwing: Add NULL check in winwing_init_led()

In the Linux kernel, the following vulnerability has been resolved: HID: winwing: Add NULL check in winwinginitled devmkasprintf can return a NULL pointer on failure,but this returned value in winwinginitled is not checked. Add NULL check in winwinginitled, to handle kernel NULL pointer dereferen...