b43: fix tx path skb leaks

ieee80211_free_txskb() needs to be used instead of dev_kfree_skb_any for
tx packets passed to the driver from mac80211

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 777cd74921d7..38bc5a7997ff 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -409,7 +409,10 @@ static inline
                                 struct b43_dmadesc_meta *meta)
 {
         if (meta->skb) {
-                dev_kfree_skb_any(meta->skb);
+                if (ring->tx)
+                        ieee80211_free_txskb(ring->dev->wl->hw, meta->skb);
+                else
+                        dev_kfree_skb_any(meta->skb);
                 meta->skb = NULL;
         }
 }
@@ -1454,7 +1457,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
         if (unlikely(err == -ENOKEY)) {
                 /* Drop this packet, as we don't have the encryption key
                  * anymore and must not transmit it unencrypted. */
-                dev_kfree_skb_any(skb);
+                ieee80211_free_txskb(dev->wl->hw, skb);
                 err = 0;
                 goto out;
         }