github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/tegra: nvdec: Fix dma_alloc_coherent error check

Browse Source 
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: 46f226c93d ("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
This commit is contained in:
Mikko Perttunen 2025-07-02 11:08:07 +09:00 committed by Thierry Reding
parent 2e9fdbe5ec
commit 44306a684c
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/tegra/nvdec.c
View File

@ -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))