linux-kernel - [PATCH v1 2/2] netlink: Make use of __assign

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230629132240.80372-2-andriy.shevchenko@linux.intel.com>
Date:   Thu, 29 Jun 2023 16:22:40 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Christian Brauner <brauner@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 2/2] netlink: Make use of __assign_bit() API

We have for some time the __assign_bit() API to replace open coded

	if (foo)
		__set_bit(n, bar);
	else
		__clear_bit(n, bar);

Use this API in the code. No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 net/netlink/af_netlink.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 383631873748..9c9df143a2ec 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1629,10 +1629,7 @@ static void netlink_update_socket_mc(struct netlink_sock *nlk,
 
 	old = test_bit(group - 1, nlk->groups);
 	subscriptions = nlk->subscriptions - old + new;
-	if (new)
-		__set_bit(group - 1, nlk->groups);
-	else
-		__clear_bit(group - 1, nlk->groups);
+	__assign_bit(group - 1, nlk->groups, new);
 	netlink_update_subscriptions(&nlk->sk, subscriptions);
 	netlink_update_listeners(&nlk->sk);
 }
-- 
2.40.0.1.gaa8946217a0b