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-rw-r--r--drivers/firmware/tegra/ivc.c4
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;