From 54ed812162148ec7819a33b4fe112b8dc9d1cd00 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 21 May 2017 12:33:39 +0200 Subject: [PATCH] firmware/ivc: use dma_mapping_error DMA_ERROR_CODE is not supposed to be used by drivers. Signed-off-by: Christoph Hellwig Acked-by: Thierry Reding --- drivers/firmware/tegra/ivc.c | 4 ++-- 1 file 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; -- 2.45.2