From: Johannes Berg Date: Thu, 13 Oct 2022 17:41:51 +0000 (+0200) Subject: wifi: cfg80211: silence a sparse RCU warning X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=03c0ad4b06c3566de624b4f4b78ac1a5d1e4c8e7;p=linux.git 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: c90b93b5b782 ("wifi: cfg80211: update hidden BSSes to avoid WARN_ON") Signed-off-by: Johannes Berg --- diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 806a5f1330ff5..da752b0cc7520 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -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);