ipw2x00: Fix potential NULL dereference in libipw_xmit()
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 v4.14.283 by commit b4628e0d3754ab2fc98ee6e3d21851ba45798077. For more details please see the references link.