mac80211_hwsim: fix module init error paths for netlink
There is no unregister netlink notifier and family on error paths in init_mac80211_hwsim(). Also there is an error path where hwsim_class is not destroyed. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: NAlexey Khoroshilov <khoroshilov@ispras.ru> Fixes: 62759361 ("mac80211-hwsim: Provide multicast event for HWSIM_CMD_NEW_RADIO") Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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