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V4L/DVB (9472): dm1105: fix the misuse of pci_dma_mapping_error

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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>
Acked-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
FUJITA Tomonori 2008-10-24 06:13:23 -03:00 committed by Mauro Carvalho Chehab
parent 20dafb3b06
commit 7b51a70cbf
1 changed files with 1 additions and 1 deletions
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2
drivers/media/dvb/dm1105/dm1105.c
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@ -367,7 +367,7 @@ 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)