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-rw-r--r--net/mac80211/tx.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a2043e40549..e3e3aa173af 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1476,12 +1476,7 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
{
int tail_need = 0;
- /*
- * This could be optimised, devices that do full hardware
- * crypto (including TKIP MMIC) need no tailroom... But we
- * have no drivers for such devices currently.
- */
- if (may_encrypt) {
+ if (may_encrypt && local->crypto_tx_tailroom_needed_cnt) {
tail_need = IEEE80211_ENCRYPT_TAILROOM;
tail_need -= skb_tailroom(skb);
tail_need = max_t(int, tail_need, 0);