Commit 7b51a70c authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by Mauro Carvalho Chehab

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

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: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: default avatarIgor M. Liplianin <liplianin@me.by>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 20dafb3b
...@@ -367,7 +367,7 @@ static int __devinit dm1105dvb_dma_map(struct dm1105dvb *dm1105dvb) ...@@ -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); 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) static void dm1105dvb_dma_unmap(struct dm1105dvb *dm1105dvb)
......
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