diff options
| author | Ben Hutchings <ben@decadent.org.uk> | 2011-03-28 17:12:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-30 00:12:33 -0700 |
| commit | fd1d9188f2cb81fe63c789d9f5463dca402ade12 (patch) | |
| tree | 9f09b2f889c91b448ae9cfe9622450930f7b1edd | |
| parent | abc45592bce8267a8e651c12ce94a1f83eaac7a6 (diff) | |
via-ircc: Pass PCI device pointer to dma_{alloc, free}_coherent()
via-ircc has been passing a NULL pointer to DMA allocation functions,
which is completely invalid and results in a BUG on PowerPC. Now
that we always have the device pointer available, pass it in.
Reference: http://bugs.debian.org/619450
Reported-by: Andrew Buckeridge <andrewb@bgc.com.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Andrew Buckeridge <andrewb@bgc.com.au> [against 2.6.32]
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/irda/via-ircc.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index cc6faca3516..186cd28a61c 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -363,7 +363,7 @@ static __devinit int via_ircc_open(struct pci_dev *pdev, chipio_t * info, /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, + dma_alloc_coherent(&pdev->dev, self->rx_buff.truesize, &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; @@ -372,7 +372,7 @@ static __devinit int via_ircc_open(struct pci_dev *pdev, chipio_t * info, memset(self->rx_buff.head, 0, self->rx_buff.truesize); self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, + dma_alloc_coherent(&pdev->dev, self->tx_buff.truesize, &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; @@ -404,10 +404,10 @@ static __devinit int via_ircc_open(struct pci_dev *pdev, chipio_t * info, via_hw_init(self); return 0; err_out4: - dma_free_coherent(NULL, self->tx_buff.truesize, + dma_free_coherent(&pdev->dev, self->tx_buff.truesize, self->tx_buff.head, self->tx_buff_dma); err_out3: - dma_free_coherent(NULL, self->rx_buff.truesize, + dma_free_coherent(&pdev->dev, self->rx_buff.truesize, self->rx_buff.head, self->rx_buff_dma); err_out2: release_region(self->io.fir_base, self->io.fir_ext); @@ -441,10 +441,10 @@ static void __devexit via_remove_one(struct pci_dev *pdev) __func__, self->io.fir_base); release_region(self->io.fir_base, self->io.fir_ext); if (self->tx_buff.head) - dma_free_coherent(NULL, self->tx_buff.truesize, + dma_free_coherent(&pdev->dev, self->tx_buff.truesize, self->tx_buff.head, self->tx_buff_dma); if (self->rx_buff.head) - dma_free_coherent(NULL, self->rx_buff.truesize, + dma_free_coherent(&pdev->dev, self->rx_buff.truesize, self->rx_buff.head, self->rx_buff_dma); pci_set_drvdata(pdev, NULL); |