Commit 44306a68 authored by Mikko Perttunen's avatar Mikko Perttunen Committed by Thierry Reding
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drm/tegra: nvdec: Fix dma_alloc_coherent error check 



Check for NULL return value with dma_alloc_coherent, in line with
Robin's fix for vic.c in 'drm/tegra: vic: Fix DMA API misuse'.

Fixes: 46f226c9 ("drm/tegra: Add NVDEC driver")
Signed-off-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250702-nvdec-dma-error-check-v1-1-c388b402c53a@nvidia.com
parent 2e9fdbe5

drivers/gpu/drm/tegra/nvdec.c

+2 −4
Original line number Diff line number Diff line
@@ -261,10 +261,8 @@ static int nvdec_load_falcon_firmware(struct nvdec *nvdec) 


	if (!client->group) {

		virt = dma_alloc_coherent(nvdec->dev, size, &iova, GFP_KERNEL);



		err = dma_mapping_error(nvdec->dev, iova);

		if (err < 0)

			return err;

		if (!virt)

			return -ENOMEM;

	} else {

		virt = tegra_drm_alloc(tegra, size, &iova);

		if (IS_ERR(virt))