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authorYing Xue <ying.xue@windriver.com>2018-02-14 13:37:59 +0800
committerDavid S. Miller <davem@davemloft.net>2018-02-14 14:46:32 -0500
commitd59d8b77abf4308e9c6809298341e275eac38404 (patch)
treee3b367d235995cabbad494a573ef2889ae08c6e5 /net/tipc/bearer.c
parente5d1a1eec0f4b51d0a7a6457d0b1b99b34f3e901 (diff)
downloadlinux-d59d8b77abf4308e9c6809298341e275eac38404.tar.gz
tipc: Introduce __tipc_nl_bearer_disable
Introduce __tipc_nl_bearer_disable() which doesn't hold RTNL lock.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/bearer.c')
-rw-r--r--net/tipc/bearer.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index c8001471da6c..61b6625f93a4 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -813,7 +813,7 @@ err_out:
 	return err;
 }
 
-int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
+int __tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
 {
 	int err;
 	char *name;
@@ -835,19 +835,26 @@ int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
 
 	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
 
-	rtnl_lock();
 	bearer = tipc_bearer_find(net, name);
-	if (!bearer) {
-		rtnl_unlock();
+	if (!bearer)
 		return -EINVAL;
-	}
 
 	bearer_disable(net, bearer);
-	rtnl_unlock();
 
 	return 0;
 }
 
+int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
+{
+	int err;
+
+	rtnl_lock();
+	err = __tipc_nl_bearer_disable(skb, info);
+	rtnl_unlock();
+
+	return err;
+}
+
 int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
 {
 	int err;