netdev - [PATCHv2 net-next 1/6] bridge: simplify the flush_store by calling store_bridge

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:	Tue,  5 Apr 2016 11:32:36 +0800
From:	Xin Long <lucien.xin@...il.com>
To:	network dev <netdev@...r.kernel.org>,
	bridge@...ts.linux-foundation.org
Cc:	davem@...emloft.net,
	Stephen Hemminger <stephen@...workplumber.org>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	nikolay@...ulusnetworks.com
Subject: [PATCHv2 net-next 1/6] bridge: simplify the flush_store by calling store_bridge_parm

There are some repetitive codes in flush_store, we can remove
them by calling store_bridge_parm, also, it would send rtnl notification
after we add it in store_bridge_parm in the following patches.

Signed-off-by: Xin Long <lucien.xin@...il.com>
---
 net/bridge/br_sysfs_br.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 6b80914..c48f6b0 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -336,17 +336,17 @@ static ssize_t group_addr_store(struct device *d,
 
 static DEVICE_ATTR_RW(group_addr);
 
+static int set_flush(struct net_bridge *br, unsigned long val)
+{
+	br_fdb_flush(br);
+	return 0;
+}
+
 static ssize_t flush_store(struct device *d,
 			   struct device_attribute *attr,
 			   const char *buf, size_t len)
 {
-	struct net_bridge *br = to_bridge(d);
-
-	if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN))
-		return -EPERM;
-
-	br_fdb_flush(br);
-	return len;
+	return store_bridge_parm(d, buf, len, set_flush);
 }
 static DEVICE_ATTR_WO(flush);
 
-- 
2.1.0