From: Johannes Berg johannes.berg@intel.com
[ Upstream commit 284b38b6902a7154e3675482418a7b6df47808fe ]
At least the quantenna driver calls wdev_chandef() here which now requires the lock, so acquire it.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/wireless/nl80211.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index af31978fc9cc..c4014ee3f667 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10126,7 +10126,9 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) }
while (1) { + wdev_lock(wdev); res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); + wdev_unlock(wdev); if (res == -ENOENT) break; if (res)