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path: root/drivers/net/wireless/b43/dma.c
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Diffstat (limited to 'drivers/net/wireless/b43/dma.c')
-rw-r--r--drivers/net/wireless/b43/dma.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index cf92853a218..3e73d2a523a 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -807,7 +807,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
goto err_kfree_ring;
if (for_tx) {
ring->txhdr_cache = kcalloc(nr_slots,
- sizeof(struct b43_txhdr_fw4),
+ b43_txhdr_size(dev),
GFP_KERNEL);
if (!ring->txhdr_cache)
goto err_kfree_meta;
@@ -815,22 +815,21 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
/* test for ability to dma to txhdr_cache */
dma_test = dma_map_single(dev->dev->dev,
ring->txhdr_cache,
- sizeof(struct b43_txhdr_fw4),
+ b43_txhdr_size(dev),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test)) {
/* ugh realloc */
kfree(ring->txhdr_cache);
ring->txhdr_cache = kcalloc(nr_slots,
- sizeof(struct
- b43_txhdr_fw4),
+ b43_txhdr_size(dev),
GFP_KERNEL | GFP_DMA);
if (!ring->txhdr_cache)
goto err_kfree_meta;
dma_test = dma_map_single(dev->dev->dev,
ring->txhdr_cache,
- sizeof(struct b43_txhdr_fw4),
+ b43_txhdr_size(dev),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test))
@@ -838,7 +837,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
}
dma_unmap_single(dev->dev->dev,
- dma_test, sizeof(struct b43_txhdr_fw4),
+ dma_test, b43_txhdr_size(dev),
DMA_TO_DEVICE);
}
@@ -1122,6 +1121,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
struct b43_dmadesc_meta *meta_hdr;
struct sk_buff *bounce_skb;
u16 cookie;
+ size_t hdrsize = b43_txhdr_size(ring->dev);
#define SLOTS_PER_PACKET 2
B43_WARN_ON(skb_shinfo(skb)->nr_frags);
@@ -1131,17 +1131,17 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
desc = ops->idx2desc(ring, slot, &meta_hdr);
memset(meta_hdr, 0, sizeof(*meta_hdr));
- header = &(ring->txhdr_cache[slot * sizeof(struct b43_txhdr_fw4)]);
+ header = &(ring->txhdr_cache[slot * hdrsize]);
cookie = generate_cookie(ring, slot);
b43_generate_txhdr(ring->dev, header,
skb->data, skb->len, ctl, cookie);
meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header,
- sizeof(struct b43_txhdr_fw4), 1);
+ hdrsize, 1);
if (dma_mapping_error(meta_hdr->dmaaddr))
return -EIO;
ops->fill_descriptor(ring, desc, meta_hdr->dmaaddr,
- sizeof(struct b43_txhdr_fw4), 1, 0, 0);
+ hdrsize, 1, 0, 0);
/* Get a slot for the payload. */
slot = request_slot(ring);
@@ -1189,7 +1189,7 @@ out_free_bounce:
dev_kfree_skb_any(skb);
out_unmap_hdr:
unmap_descbuffer(ring, meta_hdr->dmaaddr,
- sizeof(struct b43_txhdr_fw4), 1);
+ hdrsize, 1);
return err;
}
@@ -1298,7 +1298,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
1);
else
unmap_descbuffer(ring, meta->dmaaddr,
- sizeof(struct b43_txhdr_fw4), 1);
+ b43_txhdr_size(dev), 1);
if (meta->is_last_fragment) {
B43_WARN_ON(!meta->skb);