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b43: Add DMA mapping failure messages

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This adds messages for some DMA mapping failures.
These are useful for debugging DMA address problems, as they appear
on x86_64 machines with IOMMU enabled.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2008-03-28 11:46:58 +01:00 committed by John W. Linville
parent 64f851e410
commit 539e6f8cff
1 changed files with 6 additions and 1 deletions
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7
drivers/net/wireless/b43/dma.c
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@ -619,6 +619,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring,
}
if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) {
b43err(ring->dev->wl, "RX DMA buffer allocation failed\n");
dev_kfree_skb_any(skb);
return -EIO;
}
@ -874,8 +875,12 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
DMA_TO_DEVICE);
if (b43_dma_mapping_error(ring, dma_test,
b43_txhdr_size(dev), 1))
b43_txhdr_size(dev), 1)) {
b43err(dev->wl,
"TXHDR DMA allocation failed\n");
goto err_kfree_txhdr_cache;
}
}
dma_unmap_single(dev->dev->dev,