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Message-Id: <20220415122947.2754662-2-jakobkoschel@gmail.com> Date: Fri, 15 Apr 2022 14:29:30 +0200 From: Jakob Koschel <jakobkoschel@...il.com> To: "David S. Miller" <davem@...emloft.net> Cc: Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean <olteanv@...il.com>, Lars Povlsen <lars.povlsen@...rochip.com>, Steen Hegelund <Steen.Hegelund@...rochip.com>, UNGLinuxDriver@...rochip.com, Ariel Elior <aelior@...vell.com>, Manish Chopra <manishc@...vell.com>, Edward Cree <ecree.xilinx@...il.com>, Martin Habets <habetsm.xilinx@...il.com>, Michael Ellerman <mpe@...erman.id.au>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Jiri Pirko <jiri@...nulli.us>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Casper Andersson <casper.casan@...il.com>, Bjarni Jonasson <bjarni.jonasson@...rochip.com>, Jakob Koschel <jakobkoschel@...il.com>, Christophe JAILLET <christophe.jaillet@...adoo.fr>, Arnd Bergmann <arnd@...db.de>, Colin Ian King <colin.king@...el.com>, Eric Dumazet <edumazet@...gle.com>, Xu Wang <vulab@...as.ac.cn>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org, bpf@...r.kernel.org, Mike Rapoport <rppt@...nel.org>, "Brian Johannesmeyer" <bjohannesmeyer@...il.com>, Cristiano Giuffrida <c.giuffrida@...nl>, "Bos, H.J." <h.j.bos@...nl> Subject: [PATCH net-next v4 01/18] connector: Replace usage of found with dedicated list iterator variable 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 <jakobkoschel@...il.com> --- 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); } -- 2.25.1
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