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[PATCH v2] mac80211: clear bssid on auth/assoc failure

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ifmgd->bssid wasn't cleared properly in some
auth/assoc failure cases, causing mac80211 and
the low-level driver to go out of sync.

Clear ifmgd->bssid on failure, and notify the driver.

Cc: stable@xxxxxxxxxx # 3.4+
Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
---
v2: handle assoc failures as well (thanks Johannes!)

net/mac80211/mlme.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 03cd188..21c9687 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3296,6 +3296,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
 	goto out_unlock;
 
  err_clear:
+	memset(ifmgd->bssid, 0, ETH_ALEN);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
 	ifmgd->auth_data = NULL;
  err_free:
 	kfree(auth_data);
@@ -3487,6 +3489,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	err = 0;
 	goto out;
  err_clear:
+	memset(ifmgd->bssid, 0, ETH_ALEN);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
 	ifmgd->assoc_data = NULL;
  err_free:
 	kfree(assoc_data);
-- 
1.7.6.401.g6a319

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