Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / util.c

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7439d26bf5f9e281f66cb9e47e05a80a825d7d37..eca0fad09709518266d9aed37c61f75e2f05afcf 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -13,6 +13,7 @@
 
 #include <net/mac80211.h>
 #include <linux/netdevice.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/skbuff.h>
@@ -880,6 +881,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
        skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
                                     ssid, ssid_len,
                                     buf, buf_len);
+       if (!skb)
+               goto out;
 
        if (dst) {
                mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -888,6 +891,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
        }
 
        IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ out:
        kfree(buf);
 
        return skb;