openwrt/package/kernel/mac80211/patches/318-mac80211-move-A-MSDU-sk...

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Diff

From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 2 Feb 2016 14:39:08 +0100
Subject: [PATCH] mac80211: move A-MSDU skb_linearize call to
ieee80211_amsdu_to_8023s
Prepararation for zero-copy A-MSDU support with page fragment SKBs
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2203,9 +2203,6 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx
skb->dev = dev;
__skb_queue_head_init(&frame_list);
- if (skb_linearize(skb))
- return RX_DROP_UNUSABLE;
-
ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,
rx->sdata->vif.type,
rx->local->hw.extra_tx_headroom, true);
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -657,6 +657,9 @@ void ieee80211_amsdu_to_8023s(struct sk_
int remaining, err;
u8 dst[ETH_ALEN], src[ETH_ALEN];
+ if (skb_linearize(skb))
+ goto out;
+
if (has_80211_header) {
err = ieee80211_data_to_8023(skb, addr, iftype);
if (err)