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[01/40] wifi: mac80211: debugfs: lock wiphy instead of RTNL

Message ID 20230828135927.e1069157fc33.I734dc816376001f38cdc7e17078d397207c96674@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: cfg80211/mac80211: locking cleanups | expand

Commit Message

Johannes Berg Aug. 28, 2023, 11:59 a.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

Since we no longer really use the RTNL, there's no point
in locking it here. Most drivers don't really need to
have any locks here anyway, and the rest are probably
completely broken, but it's a debugfs-only callback so
it really doesn't matter much.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/debugfs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 207f772bd8ce..2efc6ccbfcf6 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -4,7 +4,7 @@ 
  *
  * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
- * Copyright (C) 2018 - 2019, 2021-2022 Intel Corporation
+ * Copyright (C) 2018 - 2019, 2021-2023 Intel Corporation
  */
 
 #include <linux/debugfs.h>
@@ -594,9 +594,9 @@  static ssize_t format_devstat_counter(struct ieee80211_local *local,
 	char buf[20];
 	int res;
 
-	rtnl_lock();
+	wiphy_lock(local->hw.wiphy);
 	res = drv_get_stats(local, &stats);
-	rtnl_unlock();
+	wiphy_unlock(local->hw.wiphy);
 	if (res)
 		return res;
 	res = printvalue(&stats, buf, sizeof(buf));