All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hangbin Liu <liuhangbin@gmail.com>
To: netdev@vger.kernel.org
Cc: Jay Vosburgh <j.vosburgh@gmail.com>,
	"David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Jonathan Toppins <jtoppins@redhat.com>,
	Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>, liali <liali@redhat.com>,
	Hangbin Liu <liuhangbin@gmail.com>
Subject: [PATCH net 1/3] bonding: access curr_active_slave with rtnl_dereference
Date: Fri,  9 Dec 2022 18:13:03 +0800	[thread overview]
Message-ID: <20221209101305.713073-2-liuhangbin@gmail.com> (raw)
In-Reply-To: <20221209101305.713073-1-liuhangbin@gmail.com>

Looks commit 4740d6382790 ("bonding: add proper __rcu annotation for
curr_active_slave") missed rtnl_dereference for curr_active_slave
in bond_miimon_commit().

Fixes: 4740d6382790 ("bonding: add proper __rcu annotation for curr_active_slave")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
 drivers/net/bonding/bond_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b9a882f182d2..2b6cc4dbb70e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2689,7 +2689,7 @@ static void bond_miimon_commit(struct bonding *bond)
 
 			bond_miimon_link_change(bond, slave, BOND_LINK_UP);
 
-			if (!bond->curr_active_slave || slave == primary)
+			if (!rtnl_dereference(bond->curr_active_slave) || slave == primary)
 				goto do_failover;
 
 			continue;
-- 
2.38.1


  reply	other threads:[~2022-12-09 10:13 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-09 10:13 [PATCH net 0/3] Bonding: fix high prio not effect issue Hangbin Liu
2022-12-09 10:13 ` Hangbin Liu [this message]
2022-12-09 23:46   ` [PATCH net 1/3] bonding: access curr_active_slave with rtnl_dereference Saeed Mahameed
2022-12-09 23:58   ` Eric Dumazet
2022-12-10 12:28     ` Hangbin Liu
2022-12-10 17:41       ` Eric Dumazet
2022-12-12  1:57         ` Hangbin Liu
2022-12-09 10:13 ` [PATCH net 2/3] bonding: do failover when high prio link up Hangbin Liu
2022-12-10  0:03   ` Saeed Mahameed
2022-12-10 12:23     ` Hangbin Liu
2022-12-09 10:13 ` [PATCH net 3/3] selftests: bonding: add bonding prio option test Hangbin Liu
2022-12-10  0:01 ` [PATCH net 0/3] Bonding: fix high prio not effect issue Jay Vosburgh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221209101305.713073-2-liuhangbin@gmail.com \
    --to=liuhangbin@gmail.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=j.vosburgh@gmail.com \
    --cc=jtoppins@redhat.com \
    --cc=kuba@kernel.org \
    --cc=liali@redhat.com \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.