In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.
https://git.kernel.org/stable/c/944c614b0a7afa5b87612c3fb557b95a50ad654c
https://git.kernel.org/stable/c/590c8179ffb01c17644181408821b55b8704c50c