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| author | Johannes Berg <johannes.berg@intel.com> | 2014-04-09 22:32:16 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-04-10 10:09:16 +0200 |
| commit | 74f8274103b78bf227711e655656dc737ad2bda7 (patch) | |
| tree | c369be9e13c6d5ee51380a0aca5daa9f86f16992 | |
| parent | 96998e3a2f6aeb6e7d91f6b1ced98d4b903d75fd (diff) | |
| download | op-kernel-dev-74f8274103b78bf227711e655656dc737ad2bda7.zip op-kernel-dev-74f8274103b78bf227711e655656dc737ad2bda7.tar.gz | |
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>
| -rw-r--r-- | net/wireless/ibss.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index e16cc13..f55f6ff 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -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; |
