From: Stephen Hemminger <shemminger@linux-foundation.org>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, bridge@linux-foundation.org
Subject: [PATCH 4/4] bridge: missing rtnl
Date: Wed, 25 Apr 2007 16:47:41 -0700 [thread overview]
Message-ID: <20070425234950.847694502@linux-foundation.org> (raw)
In-Reply-To: 20070425234737.727790594@linux-foundation.org
[-- Attachment #1: br-sysfs-rtnl.patch --]
[-- Type: text/plain, Size: 661 bytes --]
Writing to /sys/class/net/brX/bridge/stp_state causes a warning because
RTNL is not held when call br_stp_if.c
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
---
net/bridge/br_sysfs_br.c | 2 ++
1 file changed, 2 insertions(+)
--- bridge-2.6.22.orig/net/bridge/br_sysfs_br.c
+++ bridge-2.6.22/net/bridge/br_sysfs_br.c
@@ -149,9 +149,11 @@ static ssize_t show_stp_state(struct dev
static void set_stp_state(struct net_bridge *br, unsigned long val)
{
+ rtnl_lock();
spin_unlock_bh(&br->lock);
br_stp_set_enabled(br, val);
spin_lock_bh(&br->lock);
+ rtnl_unlock();
}
static ssize_t store_stp_state(struct device *d,
--
next prev parent reply other threads:[~2007-04-25 23:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 23:47 [PATCH 0/4] Bridge patches for 2.6.22 Stephen Hemminger
2007-04-25 23:47 ` [PATCH 1/4] bridge: don't change packet type Stephen Hemminger
2007-04-26 5:05 ` David Miller
2007-04-25 23:47 ` [PATCH 2/4] bridge: drop PAUSE frames Stephen Hemminger
2007-04-26 5:07 ` David Miller
2007-04-25 23:47 ` [PATCH 3/4] bridge: if no STP then forward all BPDUs Stephen Hemminger
2007-04-25 23:47 ` Stephen Hemminger [this message]
2007-04-26 5:08 ` [PATCH 4/4] bridge: missing rtnl David Miller
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