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drm/tegra: Fix NULL vs IS_ERR() check in probe()

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The iommu_paging_domain_alloc() function doesn't  return NULL pointers,
it returns error pointers.  Update the check to match.

Fixes: 45c690aea8 ("drm/tegra: Use iommu_paging_domain_alloc()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ba31cf3a-af3d-4ff1-87a8-f05aaf8c780b@stanley.mountain
This commit is contained in:
Dan Carpenter 2024-09-13 17:34:54 +03:00 committed by Thierry Reding
parent 5c23878252
commit a85df8c7b5
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/tegra/drm.c
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@ -1153,8 +1153,8 @@ static int host1x_drm_probe(struct host1x_device *dev)
if (host1x_drm_wants_iommu(dev) && device_iommu_mapped(dma_dev)) {
tegra->domain = iommu_paging_domain_alloc(dma_dev);
if (!tegra->domain) {
err = -ENOMEM;
if (IS_ERR(tegra->domain)) {
err = PTR_ERR(tegra->domain);
goto free;
}