1 files changed, 4 insertions, 4 deletions

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index e95b638b919f..7e595ce24eeb 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -35,8 +35,6 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
         else
                 nl80211_send_scan_done(wiphy_to_dev(request->wiphy), dev);
 
-        wiphy_to_dev(request->wiphy)->scan_req = NULL;
-
 #ifdef CONFIG_WIRELESS_EXT
         if (!aborted) {
                 memset(&wrqu, 0, sizeof(wrqu));
@@ -48,6 +46,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
         dev_put(dev);
 
  out:
+        wiphy_to_dev(request->wiphy)->scan_req = NULL;
         kfree(request);
 }
 EXPORT_SYMBOL(cfg80211_scan_done);
@@ -119,7 +118,7 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2)
 
         if (!ie1 && !ie2)
                 return 0;
-        if (!ie1)
+        if (!ie1 || !ie2)
                 return -1;
 
         r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1]));
@@ -172,6 +171,8 @@ static bool is_mesh(struct cfg80211_bss *a,
         ie = find_ie(WLAN_EID_MESH_CONFIG,
                      a->information_elements,
                      a->len_information_elements);
+        if (!ie)
+                return false;
         if (ie[1] != IEEE80211_MESH_CONFIG_LEN)
                 return false;
 
@@ -366,7 +367,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
         found = rb_find_bss(dev, res);
 
         if (found) {
-                kref_get(&found->ref);
                 found->pub.beacon_interval = res->pub.beacon_interval;
                 found->pub.tsf = res->pub.tsf;
                 found->pub.signal = res->pub.signal;