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-rw-r--r--net/wireless/nl80211.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1e728fff474e..31b807af3235 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1908,6 +1908,11 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
1908 if (err) 1908 if (err)
1909 return err; 1909 return err;
1910 1910
1911 if (!drv->ops->get_mesh_params) {
1912 err = -EOPNOTSUPP;
1913 goto out;
1914 }
1915
1911 /* Get the mesh params */ 1916 /* Get the mesh params */
1912 rtnl_lock(); 1917 rtnl_lock();
1913 err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params); 1918 err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
@@ -2017,6 +2022,11 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
2017 if (err) 2022 if (err)
2018 return err; 2023 return err;
2019 2024
2025 if (!drv->ops->set_mesh_params) {
2026 err = -EOPNOTSUPP;
2027 goto out;
2028 }
2029
2020 /* This makes sure that there aren't more than 32 mesh config 2030 /* This makes sure that there aren't more than 32 mesh config
2021 * parameters (otherwise our bitfield scheme would not work.) */ 2031 * parameters (otherwise our bitfield scheme would not work.) */
2022 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); 2032 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
@@ -2061,6 +2071,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
2061 err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask); 2071 err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
2062 rtnl_unlock(); 2072 rtnl_unlock();
2063 2073
2074 out:
2064 /* cleanup */ 2075 /* cleanup */
2065 cfg80211_put_dev(drv); 2076 cfg80211_put_dev(drv);
2066 dev_put(dev); 2077 dev_put(dev);