diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-10-13 20:41:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-16 11:57:08 +0300 |
| commit | 914cb94e738ba6ebb482d61567fb50bf700e4f19 (patch) | |
| tree | 13dd1a4d0804a362e400ee641abe99b214952a08 | |
| parent | 72ea2fc29962f3bb16eba80a2f0c88ffa6bb9e08 (diff) | |
| download | linux-914cb94e738ba6ebb482d61567fb50bf700e4f19.tar.xz | |
wifi: cfg80211: silence a sparse RCU warning
[ Upstream commit 03c0ad4b06c3566de624b4f4b78ac1a5d1e4c8e7 ]
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 <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/wireless/scan.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 22d169923261..15119c49c093 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1669,7 +1669,9 @@ 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); |