cfg80211: reject invalid IBSS BSSIDs in wext compat code
Don't allow using a multicast address as the BSSID, that isn't a valid configuration. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -481,6 +481,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
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if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
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bssid = NULL;
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if (bssid && !is_valid_ether_addr(bssid))
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return -EINVAL;
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/* both automatic */
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if (!bssid && !wdev->wext.ibss.bssid)
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return 0;
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