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authorJoel Fernandes (Google) <joel@joelfernandes.org>2023-03-10 01:18:12 +0000
committerJoel Fernandes (Google) <joel@joelfernandes.org>2023-04-05 13:48:04 +0000
commiteb56a4cbc3ea348dc07fbe82531c27cce83df3b9 (patch)
tree4c0feffc14950b14fb6d725f8ce4037616e5f101
parent936c7e19c695d624adac28ea390fd8d53c653542 (diff)
mac802154: Rename kfree_rcu() to kvfree_rcu_mightsleep()
The k[v]free_rcu() macro's single-argument form is deprecated. Therefore switch to the new k[v]free_rcu_mightsleep() variant. The goal is to avoid accidental use of the single-argument forms, which can introduce functionality bugs in atomic contexts and latency bugs in non-atomic contexts. The callers are holding a mutex so the context allows blocking. Hence using the API with a single argument will be fine, but use its new name. There is no functionality change with this patch. Fixes: 57588c71177f ("mac802154: Handle passive scanning") Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
-rw-r--r--net/mac802154/scan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac802154/scan.c b/net/mac802154/scan.c
index 9b0933a185eb..5c191bedd72c 100644
--- a/net/mac802154/scan.c
+++ b/net/mac802154/scan.c
@@ -52,7 +52,7 @@ static int mac802154_scan_cleanup_locked(struct ieee802154_local *local,
request = rcu_replace_pointer(local->scan_req, NULL, 1);
if (!request)
return 0;
- kfree_rcu(request);
+ kvfree_rcu_mightsleep(request);
/* Advertize first, while we know the devices cannot be removed */
if (aborted)
@@ -403,7 +403,7 @@ int mac802154_stop_beacons_locked(struct ieee802154_local *local,
request = rcu_replace_pointer(local->beacon_req, NULL, 1);
if (!request)
return 0;
- kfree_rcu(request);
+ kvfree_rcu_mightsleep(request);
nl802154_beaconing_done(wpan_dev);