CVE-2026-46167 usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl Just like in a previous problem in this driver, usblpctrlmsg will collapse the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferre...