Commit a85df8c7 authored by Dan Carpenter's avatar Dan Carpenter Committed by Thierry Reding
Browse files

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



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

Fixes: 45c690ae ("drm/tegra: Use iommu_paging_domain_alloc()")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ba31cf3a-af3d-4ff1-87a8-f05aaf8c780b@stanley.mountain
parent 5c238782

drivers/gpu/drm/tegra/drm.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

		}