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mac80211: fix locking in ieee80211_start_ap error path
commit 87a2706 upstream. We need to hold the local->mtx to release the channel context, as even encoded by the lockdep_assert_held() there. Fix it. Cc: stable@vger.kernel.org Fixes: 295b02c ("mac80211: Add FILS discovery support") Reported-and-tested-by: syzbot+11c342e5e30e9539cabd@syzkaller.appspotmail.com Link: https://lore.kernel.org/r/20211220090836.cee3d59a1915.I36bba9b79dc2ff4d57c3c7aa30dff9a003fe8c5c@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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