Commit 03c0ad4b authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: cfg80211: silence a sparse RCU warning 



All we're going to do with this pointer is assign it to
another __rcu pointer, but sparse can't see that, so
use rcu_access_pointer() to silence the warning here.

Fixes: c90b93b5 ("wifi: cfg80211: update hidden BSSes to avoid WARN_ON")
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 66063033

net/wireless/scan.c

+3 −1
Original line number Diff line number Diff line
@@ -1674,7 +1674,9 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, 
		if (old == rcu_access_pointer(known->pub.ies))

			rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies);



		cfg80211_update_hidden_bsses(known, new->pub.beacon_ies, old);

		cfg80211_update_hidden_bsses(known,

					     rcu_access_pointer(new->pub.beacon_ies),

					     old);



		if (old)

			kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);