Messages in this thread Patch in this message | | | Date | Fri, 24 Oct 2008 15:13:23 +0900 | Subject | [PATCH] dm1105: fix the misuse of pci_dma_mapping_error | From | FUJITA Tomonori <> |
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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> --- 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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