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Diffstat (limited to 'net/wireless/wext-compat.c')
-rw-r--r--net/wireless/wext-compat.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index b84a9b4fe96..0fd1db6e95b 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -66,6 +66,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
struct cfg80211_registered_device *rdev;
struct vif_params vifparams;
enum nl80211_iftype type;
+ int ret;
if (!wdev)
return -EOPNOTSUPP;
@@ -96,10 +97,16 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
return -EINVAL;
}
+ if (type == wdev->iftype)
+ return 0;
+
memset(&vifparams, 0, sizeof(vifparams));
- return rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type,
- NULL, &vifparams);
+ ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type,
+ NULL, &vifparams);
+ WARN_ON(!ret && wdev->iftype != type);
+
+ return ret;
}
EXPORT_SYMBOL(cfg80211_wext_siwmode);