diff options
| author | Mikko Perttunen <mperttunen@nvidia.com> | 2025-07-02 05:08:07 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2025-07-04 12:15:07 +0300 |
| commit | 44306a684cd1699b8562a54945ddc43e2abc9eab (patch) | |
| tree | 90f78222550cb3601860d2f9d722861b38405bce | |
| parent | 2e9fdbe5ec7a65b66da9c202cac621a3a366fde3 (diff) | |
| download | linux-44306a684cd1699b8562a54945ddc43e2abc9eab.tar.xz | |
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: 46f226c93d35 ("drm/tegra: Add NVDEC driver")
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250702-nvdec-dma-error-check-v1-1-c388b402c53a@nvidia.com
| -rw-r--r-- | drivers/gpu/drm/tegra/nvdec.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c index 2d9a0a3f6c38..7a38664e890e 100644 --- a/drivers/gpu/drm/tegra/nvdec.c +++ b/drivers/gpu/drm/tegra/nvdec.c @@ -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)) |