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Subject[PATCH] dm1105: fix the misuse of pci_dma_mapping_error
From
pci_dma_mapping_error can't be used for pci_alloc_consistent
(pci_dma_mapping_error is for dma_map_single and dma_map_page).
pci_alloc_consistent returns NULL if the allocation fails.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
drivers/media/dvb/dm1105/dm1105.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c
index 14e627e..ab9282e 100644
--- a/drivers/media/dvb/dm1105/dm1105.c
+++ b/drivers/media/dvb/dm1105/dm1105.c
@@ -368,7 +368,7 @@ static int __devinit dm1105dvb_dma_map(struct dm1105dvb *dm1105dvb)
{
dm1105dvb->ts_buf = pci_alloc_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, &dm1105dvb->dma_addr);

- return pci_dma_mapping_error(dm1105dvb->pdev, dm1105dvb->dma_addr);
+ return !dm1105dvb->ts_buf;
}

static void dm1105dvb_dma_unmap(struct dm1105dvb *dm1105dvb)
--
1.5.5.GIT


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