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[35.188.239.129]) by smtp.gmail.com with ESMTPSA id v125-20020a379383000000b007458ae32290sm4113974qkd.128.2023.03.15.11.19.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Mar 2023 11:19:37 -0700 (PDT) From: "Joel Fernandes (Google)" To: Alexander Aring , Stefan Schmidt , Miquel Raynal , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Girault Cc: "Joel Fernandes (Google)" , "Paul E . McKenney" , Alexander Aring , linux-wpan@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 12/14] mac802154: Rename kfree_rcu() to kvfree_rcu_mightsleep() Date: Wed, 15 Mar 2023 18:18:59 +0000 Message-Id: <20230315181902.4177819-12-joel@joelfernandes.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230315181902.4177819-1-joel@joelfernandes.org> References: <20230315181902.4177819-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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") Reviewed-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) --- net/mac802154/scan.c | 4 ++-- 1 file 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); -- 2.40.0.rc1.284.g88254d51c5-goog