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-rw-r--r--net/wireless/nl80211.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a3515ebbd32b..d0f69f5523e8 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5771,10 +5771,15 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
/* useless if AP is not running */
if (!wdev->beacon_interval)
- return -EINVAL;
+ return -ENOTCONN;
break;
case NL80211_IFTYPE_ADHOC:
+ if (!wdev->ssid_len)
+ return -ENOTCONN;
+ break;
case NL80211_IFTYPE_MESH_POINT:
+ if (!wdev->mesh_id_len)
+ return -ENOTCONN;
break;
default:
return -EOPNOTSUPP;