diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-21 12:33:39 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-20 11:12:54 +0200 |
| commit | 54ed812162148ec7819a33b4fe112b8dc9d1cd00 (patch) | |
| tree | f0a2bee574ff95d2632b9d2cd9fa0e530cad9e69 /drivers/firmware/tegra | |
| parent | 41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff) | |
| download | lwn-54ed812162148ec7819a33b4fe112b8dc9d1cd00.tar.gz lwn-54ed812162148ec7819a33b4fe112b8dc9d1cd00.zip | |
firmware/ivc: use dma_mapping_error
DMA_ERROR_CODE is not supposed to be used by drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/firmware/tegra')
| -rw-r--r-- | drivers/firmware/tegra/ivc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/firmware/tegra/ivc.c b/drivers/firmware/tegra/ivc.c index 29ecfd815320..a01461d63f68 100644 --- a/drivers/firmware/tegra/ivc.c +++ b/drivers/firmware/tegra/ivc.c @@ -646,12 +646,12 @@ int tegra_ivc_init(struct tegra_ivc *ivc, struct device *peer, void *rx, if (peer) { ivc->rx.phys = dma_map_single(peer, rx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->rx.phys == DMA_ERROR_CODE) + if (dma_mapping_error(peer, ivc->rx.phys)) return -ENOMEM; ivc->tx.phys = dma_map_single(peer, tx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->tx.phys == DMA_ERROR_CODE) { + if (dma_mapping_error(peer, ivc->tx.phys)) { dma_unmap_single(peer, ivc->rx.phys, queue_size, DMA_BIDIRECTIONAL); return -ENOMEM; |