Commit 8e2f6f23 authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: cfg80211: lock wiphy mutex for rfkill poll 



We want to guarantee the mutex is held for pretty much
all operations, so ensure that here as well.

Reported-by: default avatar <syzbot+7e59a5bfc7a897247e18@syzkaller.appspotmail.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 7e7efdda

net/wireless/core.c

+2 −0
Original line number Diff line number Diff line
@@ -221,7 +221,9 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data) 
{

	struct cfg80211_registered_device *rdev = data;



	wiphy_lock(&rdev->wiphy);

	rdev_rfkill_poll(rdev);

	wiphy_unlock(&rdev->wiphy);

}



void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,