CVE-2023-53847 usb-storage: alauda: Fix uninit-value in alauda_check_media()

In the Linux kernel, the following vulnerability has been resolved: usb-storage: alauda: Fix uninit-value in alaudacheckmedia Syzbot got KMSAN to complain about access to an uninitialized value in the alauda subdriver of usb-storage: BUG: KMSAN: uninit-value in alaudatransport+0x462/0x57f0...