[PATCH 3.16 221/254] cfg80211: fix station info handling bugs

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3.16.55-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Johannes Berg <johannes.berg@xxxxxxxxx>

commit 5762d7d3eda25c03cc2d9d45227be3f5ab6bec9e upstream.

Fix two places where the structure isn't initialized to zero,
and thus can't be filled properly by the driver.

Fixes: 4a4b8169501b ("cfg80211: Accept multiple RSSI thresholds for CQM")
Fixes: 9930380f0bd8 ("cfg80211: implement IWRATE")
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
[bwh: Backported to 3.16: drop change in cfg80211_cqm_rssi_update()]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1273,8 +1273,7 @@ static int cfg80211_wext_giwrate(struct
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
-	/* we are under RTNL - globally locked - so can use a static struct */
-	static struct station_info sinfo;
+	struct station_info sinfo = {};
 	u8 addr[ETH_ALEN];
 	int err;
 




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