static void b43_poison_rx_buffer(struct b43_dmaring *ring, struct sk_buff *skb)
{
	struct b43_rxhdr_fw4 *rxhdr;
	unsigned char *frame;

	/* This poisons the RX buffer to detect DMA failures. */

	rxhdr = (struct b43_rxhdr_fw4 *)(skb->data);
	rxhdr->frame_len = 0;

	B43_WARN_ON(ring->rx_buffersize < ring->frameoffset + sizeof(struct b43_plcp_hdr6) + 2);
	frame = skb->data + ring->frameoffset;
	memset(frame, 0xFF, sizeof(struct b43_plcp_hdr6) + 2 /* padding */);
}
static void b43_poison_rx_buffer(struct b43_dmaring *ring, struct sk_buff *skb)
{
	struct b43_rxhdr_fw4 *rxhdr;
	unsigned char *frame;

	 

	rxhdr = (struct b43_rxhdr_fw4 *)(skb->data);
	rxhdr->frame_len = 0;

	B43_WARN_ON(ring->rx_buffersize < ring->frameoffset + sizeof(struct b43_plcp_hdr6) + 2);
	frame = skb->data + ring->frameoffset;
	memset(frame, 0xFF, sizeof(struct b43_plcp_hdr6) + 2  );
}