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From: Jakob Koschel <jakobkoschel@gmail.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	Lars Povlsen <lars.povlsen@microchip.com>,
	Steen Hegelund <Steen.Hegelund@microchip.com>,
	UNGLinuxDriver@microchip.com, Ariel Elior <aelior@marvell.com>,
	Manish Chopra <manishc@marvell.com>,
	Edward Cree <ecree.xilinx@gmail.com>,
	Martin Habets <habetsm.xilinx@gmail.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>, Jiri Pirko <jiri@resnulli.us>,
	Casper Andersson <casper.casan@gmail.com>,
	Bjarni Jonasson <bjarni.jonasson@microchip.com>,
	Jakob Koschel <jakobkoschel@gmail.com>,
	Colin Ian King <colin.king@intel.com>,
	Michael Walle <michael@walle.cc>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	Arnd Bergmann <arnd@arndb.de>, Eric Dumazet <edumazet@google.com>,
	Di Zhu <zhudi21@huawei.com>, Xu Wang <vulab@iscas.ac.cn>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org, Mike Rapoport <rppt@kernel.org>,
	"Brian Johannesmeyer" <bjohannesmeyer@gmail.com>,
	Cristiano Giuffrida <c.giuffrida@vu.nl>,
	"Bos, H.J." <h.j.bos@vu.nl>
Subject: [PATCH net-next 07/15] qed: Replace usage of found with dedicated list iterator variable
Date: Thu,  7 Apr 2022 12:28:52 +0200	[thread overview]
Message-ID: <20220407102900.3086255-8-jakobkoschel@gmail.com> (raw)
In-Reply-To: <20220407102900.3086255-1-jakobkoschel@gmail.com>

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@gmail.com>
---
 drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 26 ++++++++++-----------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
index 1d1d4caad680..198c9321bf51 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -1630,38 +1630,36 @@ static struct qed_iwarp_listener *
 qed_iwarp_get_listener(struct qed_hwfn *p_hwfn,
 		       struct qed_iwarp_cm_info *cm_info)
 {
-	struct qed_iwarp_listener *listener = NULL;
+	struct qed_iwarp_listener *listener = NULL, *iter;
 	static const u32 ip_zero[4] = { 0, 0, 0, 0 };
-	bool found = false;
 
-	list_for_each_entry(listener,
+	list_for_each_entry(iter,
 			    &p_hwfn->p_rdma_info->iwarp.listen_list,
 			    list_entry) {
-		if (listener->port == cm_info->local_port) {
-			if (!memcmp(listener->ip_addr,
+		if (iter->port == cm_info->local_port) {
+			if (!memcmp(iter->ip_addr,
 				    ip_zero, sizeof(ip_zero))) {
-				found = true;
+				listener = iter;
 				break;
 			}
 
-			if (!memcmp(listener->ip_addr,
+			if (!memcmp(iter->ip_addr,
 				    cm_info->local_ip,
 				    sizeof(cm_info->local_ip)) &&
-			    (listener->vlan == cm_info->vlan)) {
-				found = true;
+			    iter->vlan == cm_info->vlan) {
+				listener = iter;
 				break;
 			}
 		}
 	}
 
-	if (found) {
+	if (listener)
 		DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "listener found = %p\n",
 			   listener);
-		return listener;
-	}
+	else
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "listener not found\n");
 
-	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "listener not found\n");
-	return NULL;
+	return listener;
 }
 
 static int
-- 
2.25.1


  parent reply	other threads:[~2022-04-07 10:31 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07 10:28 [PATCH net-next 00/15] net: Remove use of list iterator after loop body Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 01/15] connector: Replace usage of found with dedicated list iterator variable Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 02/15] net: dsa: sja1105: Remove usage of iterator for list_add() after loop Jakob Koschel
2022-04-08  3:54   ` Jakub Kicinski
2022-04-08 23:58     ` Jakob Koschel
2022-04-09  0:04       ` Jakub Kicinski
2022-04-09  0:08       ` Vladimir Oltean
2022-04-08  7:47   ` Christophe Leroy
2022-04-08 23:49     ` Jakob Koschel
2022-04-08 11:41   ` Vladimir Oltean
2022-04-08 23:54     ` Jakob Koschel
2022-04-10 10:51       ` Jakob Koschel
2022-04-10 11:05         ` Vladimir Oltean
2022-04-10 12:39           ` Jakob Koschel
2022-04-10 18:24             ` Jakob Koschel
2022-04-10 20:02               ` Vladimir Oltean
2022-04-10 20:30                 ` Jakob Koschel
2022-04-10 20:34                   ` Vladimir Oltean
2022-04-07 10:28 ` [PATCH net-next 03/15] net: dsa: mv88e6xxx: Replace usage of found with dedicated iterator Jakob Koschel
2022-04-08 12:31   ` Vladimir Oltean
2022-04-08 23:44     ` Jakob Koschel
2022-04-08 23:50       ` Vladimir Oltean
2022-04-09  0:00         ` Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 04/15] net: dsa: Replace usage of found with dedicated list iterator variable Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 05/15] net: sparx5: " Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 06/15] qed: Use " Jakob Koschel
2022-04-07 10:28 ` Jakob Koschel [this message]
2022-04-07 10:28 ` [PATCH net-next 08/15] qed: Remove usage of list iterator variable after the loop Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 09/15] net: qede: Replace usage of found with dedicated list iterator variable Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 10/15] net: qede: Remove check of list iterator against head past the loop body Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 11/15] sfc: Remove usage of list iterator for list_add() after " Jakob Koschel
2022-04-07 17:42   ` Edward Cree
2022-04-09  0:10     ` Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 12/15] net: netcp: Remove usage of list iterator for list_add() after " Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 13/15] ps3_gelic: Replace usage of found with dedicated list iterator variable Jakob Koschel
2022-04-07 10:28 ` [PATCH net-next 14/15] ipvlan: Remove usage of list iterator variable for the loop body Jakob Koschel
2022-04-07 10:29 ` [PATCH net-next 15/15] team: Remove use of list iterator variable for list_for_each_entry_from() Jakob Koschel

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