cfg80211: allow cfg80211_connect_result with bssid == NULL

In case of connection failure, the bssid info is not a must have.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 5 insertions, 2 deletions

diff --git a/net/wireless/core.c b/net/wireless/core.c
index c150071b6f29..154e1e294cb9 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -12,6 +12,7 @@
 #include <linux/debugfs.h>
 #include <linux/notifier.h>
 #include <linux/device.h>
+#include <linux/etherdevice.h>
 #include <linux/rtnetlink.h>
 #include <net/genetlink.h>
 #include <net/cfg80211.h>
@@ -309,7 +310,8 @@ static void cfg80211_process_events(struct wireless_dev *wdev)
                 switch (ev->type) {
                 case EVENT_CONNECT_RESULT:
                         __cfg80211_connect_result(
-                                wdev->netdev, ev->cr.bssid,
+                                wdev->netdev, is_zero_ether_addr(ev->cr.bssid) ?
+                                NULL : ev->cr.bssid,
                                 ev->cr.req_ie, ev->cr.req_ie_len,
                                 ev->cr.resp_ie, ev->cr.resp_ie_len,
                                 ev->cr.status,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 9ddc00e3c239..4a8289f9b4f0 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -450,7 +450,8 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
                 return;
 
         ev->type = EVENT_CONNECT_RESULT;
-        memcpy(ev->cr.bssid, bssid, ETH_ALEN);
+        if (bssid)
+                memcpy(ev->cr.bssid, bssid, ETH_ALEN);
         ev->cr.req_ie = ((u8 *)ev) + sizeof(*ev);
         ev->cr.req_ie_len = req_ie_len;
         memcpy((void *)ev->cr.req_ie, req_ie, req_ie_len);