netdev - [PATCH net-next 3/3] tun: do not arm flow_gc_timer in tun_flow

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]

Date:   Fri, 20 Oct 2017 11:29:57 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Jason Wang <jasowang@...hat.com>
Subject: [PATCH net-next 3/3] tun: do not arm flow_gc_timer in tun_flow_init()

Timer is properly armed on demand from tun_flow_update(),
so there is no need to arm it at tun init.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 drivers/net/tun.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 995887de5a98283382a631bcb8dfd874a4037ed3..2a2d058cdd403594e3f89c9a491ada17e3063506 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1197,8 +1197,6 @@ static void tun_flow_init(struct tun_struct *tun)
 
 	tun->ageing_time = TUN_FLOW_EXPIRE;
 	setup_timer(&tun->flow_gc_timer, tun_flow_cleanup, (unsigned long)tun);
-	mod_timer(&tun->flow_gc_timer,
-		  round_jiffies_up(jiffies + tun->ageing_time));
 }
 
 static void tun_flow_uninit(struct tun_struct *tun)
-- 
2.15.0.rc0.271.g36b669edcc-goog