2024-01-03 12:20:26

by Edward Adam Davis

[permalink] [raw]
Subject: [PATCH net-next] wifi: fix warning in __cfg80211_bss_update

Replace rcu_dereference() with rcu_access_pointer() to avoid warnings.

Fixes: 32af9a9e1069 ("wifi: cfg80211: free beacon_ies when overridden from hidden BSS")
Reported-and-tested-by: [email protected]
Signed-off-by: Edward Adam Davis <[email protected]>
---
net/wireless/scan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index cf2131671..7cb8ae87c 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1864,7 +1864,7 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
&hidden->hidden_list);
hidden->refcount++;

- ies = (void *)rcu_dereference(new->pub.beacon_ies);
+ ies = (void *)rcu_access_pointer(new->pub.beacon_ies);
rcu_assign_pointer(new->pub.beacon_ies,
hidden->pub.beacon_ies);
if (ies)
--
2.43.0