ath9khtc: fix potential out of bounds access with invalid rxstatus->rskeyix
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.318 by commit 0bcb528402cd5e1a6e1833e956fd58a12d509e8e, it was introduced in version v3.15 by commit 4ed1a8d4a25711f780b96920fff2bb531229e322. For more details please see the references link.