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[62.195.130.160]) by smtp.googlemail.com with ESMTPSA id b5-20020a17090630c500b006e8044fa76bsm8827900ejb.143.2022.04.12.05.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 05:16:22 -0700 (PDT) From: Jakob Koschel To: "David S. Miller" Cc: Jakub Kicinski , Paolo Abeni , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , Lars Povlsen , Steen Hegelund , UNGLinuxDriver@microchip.com, Ariel Elior , Manish Chopra , Edward Cree , Martin Habets , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Jiri Pirko , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Casper Andersson , Bjarni Jonasson , Jakob Koschel , Christophe JAILLET , Michael Walle , Jason Gunthorpe , Colin Ian King , Arnd Bergmann , Eric Dumazet , Di Zhu , Xu Wang , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, bpf@vger.kernel.org, Mike Rapoport , "Brian Johannesmeyer" , Cristiano Giuffrida , "Bos, H.J." Subject: [PATCH net-next v3 01/18] connector: Replace usage of found with dedicated list iterator variable Date: Tue, 12 Apr 2022 14:15:40 +0200 Message-Id: <20220412121557.3553555-2-jakobkoschel@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220412121557.3553555-1-jakobkoschel@gmail.com> References: <20220412121557.3553555-1-jakobkoschel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org To move the list iterator variable into the list_for_each_entry_*() macro in the future it should be avoided to use the list iterator variable after the loop body. To *never* use the list iterator variable after the loop it was concluded to use a separate iterator variable instead of a found boolean [1]. This removes the need to use a found variable and simply checking if the variable was set, can determine if the break/goto was hit. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel --- drivers/connector/cn_queue.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 996f025eb63c..ed77599b0b25 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -92,20 +92,19 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, void cn_queue_del_callback(struct cn_queue_dev *dev, const struct cb_id *id) { - struct cn_callback_entry *cbq, *n; - int found = 0; + struct cn_callback_entry *cbq = NULL, *iter, *n; spin_lock_bh(&dev->queue_lock); - list_for_each_entry_safe(cbq, n, &dev->queue_list, callback_entry) { - if (cn_cb_equal(&cbq->id.id, id)) { - list_del(&cbq->callback_entry); - found = 1; + list_for_each_entry_safe(iter, n, &dev->queue_list, callback_entry) { + if (cn_cb_equal(&iter->id.id, id)) { + list_del(&iter->callback_entry); + cbq = iter; break; } } spin_unlock_bh(&dev->queue_lock); - if (found) + if (cbq) cn_queue_release_callback(cbq); }