Merge branch 'ethtool-use-the-rss-context-xarray-in-ring-deactivation-safety-check'

Jakub Kicinski says:

====================
ethtool: use the rss context XArray in ring deactivation safety-check

Now that we have an XArray storing information about all extra
RSS contexts - use it to extend checks already performed using
ethtool_get_max_rxfh_channel().
====================

Link: https://patch.msgid.link/20240710174043.754664-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>