diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy/dma.c')
| -rw-r--r-- | drivers/net/wireless/b43legacy/dma.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index 83161d9af81..0023de8235b 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -1181,9 +1181,11 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, header = &(ring->txhdr_cache[slot * sizeof( struct b43legacy_txhdr_fw3)]); - b43legacy_generate_txhdr(ring->dev, header, + err = b43legacy_generate_txhdr(ring->dev, header, skb->data, skb->len, ctl, generate_cookie(ring, slot)); + if (unlikely(err)) + return err; meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header, sizeof(struct b43legacy_txhdr_fw3), 1); @@ -1282,6 +1284,13 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev, B43legacy_BUG_ON(ring->stopped); err = dma_tx_fragment(ring, skb, ctl); + 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); + err = 0; + goto out_unlock; + } if (unlikely(err)) { b43legacyerr(dev->wl, "DMA tx mapping failure\n"); goto out_unlock; |