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

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Message-Id: <20240411091704.306752-1-colin.i.king@gmail.com>
Date: Thu, 11 Apr 2024 10:17:04 +0100
From: Colin Ian King <colin.i.king@...il.com>
To: 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,
	tipc-discussion@...ts.sourceforge.net
Cc: kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH][next] tipc: remove redundant assignment to ret, simplify code

Variable err is being assigned a zero value and it is never read
afterwards in either the break path or continue path, the assignment
is redundant and can be removed. With it removed, the if statement
can also be simplified.

Cleans up clang scan warning:
net/tipc/socket.c:3570:5: warning: Value stored to 'err' is never
read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 net/tipc/socket.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 7e4135db5816..798397b6811e 100644
--- 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