linux-kernel - RE: [PATCH][next] tipc: remove redundant assignment to ret, simplify code

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Message-ID:
 <AS4PR05MB96479D9B6F9EC765371AA8A588052@AS4PR05MB9647.eurprd05.prod.outlook.com>
Date: Thu, 11 Apr 2024 10:04:10 +0000
From: Tung Quang Nguyen <tung.q.nguyen@...tech.com.au>
To: Colin Ian King <colin.i.king@...il.com>, Jon Maloy <jmaloy@...hat.com>,
	Ying Xue <ying.xue@...driver.com>, "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"tipc-discussion@...ts.sourceforge.net"
	<tipc-discussion@...ts.sourceforge.net>
CC: "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH][next] tipc: remove redundant assignment to ret, simplify
 code

>--- a/net/tipc/socket.c
>+++ b/net/tipc/socket.c
>@@ -3565,11 +3565,8 @@ int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb,
> 	rhashtable_walk_start(iter);
> 	while ((tsk = rhashtable_walk_next(iter)) != NULL) {
> 		if (IS_ERR(tsk)) {
>-			err = PTR_ERR(tsk);
>-			if (err == -EAGAIN) {
>-				err = 0;
>+			if (PTR_ERR(tsk) == -EAGAIN)
> 				continue;
>-			}
> 			break;
> 		}
>
>--
>2.39.2
>
I suggest that err variable should be completely removed. Could you please also do the same thing for this code ?
"
...
err = skb_handler(skb, cb, tsk);
if (err) {
...
}
...
"