Message ID | 1454981485-15686-10-git-send-email-shaun.ren@linux.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c index c0fd8c5..00da7ab 100644 --- a/drivers/staging/rts5208/rtsx_transport.c +++ b/drivers/staging/rts5208/rtsx_transport.c @@ -664,7 +664,7 @@ static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf, return -ENXIO; addr = dma_map_single(&rtsx->pci->dev, buf, len, dma_dir); - if (!addr) + if (dma_mapping_error(&rtsx->pci->dev, addr)) return -ENOMEM; if (card == SD_CARD)
This patch adds a dma_mapping_error call to debug potential DMA mapping errors after the dma_map_single call in rtsx_transport.c. Signed-off-by: Shaun Ren <shaun.ren@linux.com> --- drivers/staging/rts5208/rtsx_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)