mac80211: remove probe response temporary buffer allocation
Instead of allocating a temporary buffer to build IEs
build them right into the SKB.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index d8ef341..ba1ac9d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2620,7 +2620,7 @@
struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+ size_t tailroom)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_local *local;
@@ -2634,7 +2634,7 @@
ie_ssid_len = 2 + ssid_len;
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*hdr) +
- ie_ssid_len + ie_len);
+ ie_ssid_len + tailroom);
if (!skb)
return NULL;
@@ -2655,11 +2655,6 @@
memcpy(pos, ssid, ssid_len);
pos += ssid_len;
- if (ie) {
- pos = skb_put(skb, ie_len);
- memcpy(pos, ie, ie_len);
- }
-
return skb;
}
EXPORT_SYMBOL(ieee80211_probereq_get);