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| author | Johannes Berg <johannes.berg@intel.com> | 2021-08-17 12:12:22 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-08-17 06:51:43 -0700 |
| commit | 276e189f8e4e3cce1634d6bac4ed0d9ca242441b (patch) | |
| tree | 8bcf78666e09133084d6c192e04db75891ff41fc /net/mac80211 | |
| parent | dbcf24d153884439dad30484a0e3f02350692e4c (diff) | |
| download | linux-stable-276e189f8e4e3cce1634d6bac4ed0d9ca242441b.tar.gz linux-stable-276e189f8e4e3cce1634d6bac4ed0d9ca242441b.tar.bz2 linux-stable-276e189f8e4e3cce1634d6bac4ed0d9ca242441b.zip | |
mac80211: fix locking in ieee80211_restart_work()
Ilan's change to move locking around accidentally lost the
wiphy_lock() during some porting, add it back.
Fixes: 45daaa131841 ("mac80211: Properly WARN on HW scan before restart")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20210817121210.47bdb177064f.Ib1ef79440cd27f318c028ddfc0c642406917f512@changeid
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 05f4c3c72619..fcae76ddd586 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -260,6 +260,8 @@ static void ieee80211_restart_work(struct work_struct *work) flush_work(&local->radar_detected_work); rtnl_lock(); + /* we might do interface manipulations, so need both */ + wiphy_lock(local->hw.wiphy); WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), "%s called with hardware scan in progress\n", __func__); |