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Commit 74f82741 authored by Johannes Berg's avatar Johannes Berg
Browse files

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: default avatarJohannes Berg <johannes.berg@intel.com>
parent 96998e3a
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+3 −0
Original line number Diff line number Diff line
@@ -481,6 +481,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
	if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
		bssid = NULL;

	if (bssid && !is_valid_ether_addr(bssid))
		return -EINVAL;

	/* both automatic */
	if (!bssid && !wdev->wext.ibss.bssid)
		return 0;