From: Johannes Berg <johannes.berg@xxxxxxxxx>
We want to guarantee the mutex is held for pretty much
all operations, so ensure that here as well.
Reported-by: syzbot+7e59a5bfc7a897247e18@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/wireless/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 758c9a2a12c0..3f756ce46602 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -221,7 +221,9 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
{
struct cfg80211_registered_device *rdev = data;
+ wiphy_lock(&rdev->wiphy);
rdev_rfkill_poll(rdev);
+ wiphy_unlock(&rdev->wiphy);
}
void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
--
2.41.0
