From: Jiri Pirko <jiri@mellanox.com>
Date: Thu, 3 Dec 2015 11:12:17 +0000 (+0100)
Subject: team: rtnl_lock for options set
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7d259505299cb6f4642eac4eebb191d6c2ebe558;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

team: rtnl_lock for options set

During options set, there will be needed to hold rtnl_mutex in order to
safely call netdev notifiers.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index dd1504bbb4a7..98141338d0ce 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2422,9 +2422,13 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
 	struct nlattr *nl_option;
 	LIST_HEAD(opt_inst_list);
 
+	rtnl_lock();
+
 	team = team_nl_team_get(info);
-	if (!team)
-		return -EINVAL;
+	if (!team) {
+		err = -EINVAL;
+		goto rtnl_unlock;
+	}
 
 	err = -EINVAL;
 	if (!info->attrs[TEAM_ATTR_LIST_OPTION]) {
@@ -2551,7 +2555,8 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
 
 team_put:
 	team_nl_team_put(team);
-
+rtnl_unlock:
+	rtnl_unlock();
 	return err;
 }