netdev - [PATCH net-next 14/17] tipc: Add in missing lock during link initialization

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: <1298510805-20630-15-git-send-email-paul.gortmaker@windriver.com>
Date:	Wed, 23 Feb 2011 20:26:42 -0500
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	davem@...emloft.net
Cc:	allan.stephens@...driver.com, netdev@...r.kernel.org,
	Allan Stephens <Allan.Stephens@...driver.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [PATCH net-next 14/17] tipc: Add in missing lock during link initialization

From: Allan Stephens <Allan.Stephens@...driver.com>

Ensure that the routine that starts up processing on a newly created
link endpoint takes the spinlock of the node object that owns the link,
to prevent possible conflicts with processing involving other links
owned by that node object.

Signed-off-by: Allan Stephens <Allan.Stephens@...driver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 net/tipc/link.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/tipc/link.c b/net/tipc/link.c
index 754e310..89fbb6d 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -388,7 +388,9 @@ void tipc_link_delete(struct link *l_ptr)
 
 static void link_start(struct link *l_ptr)
 {
+	tipc_node_lock(l_ptr->owner);
 	link_state_event(l_ptr, STARTING_EVT);
+	tipc_node_unlock(l_ptr->owner);
 }
 
 /**
-- 
1.7.3.3

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html