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

net/wireless/ibss.c

+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;