Commit bf19b885 authored Dec 04, 2014 by Dan Carpenter Committed by Thierry Reding Jan 27, 2015

drm/tegra: Check for NULL pointer instead of IS_ERR()



iommu_domain_alloc() returns NULL on error, it never returns error
pointers.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

parent 518e6227

drivers/gpu/drm/tegra/drm.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -36,8 +36,8 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)

		if (iommu_present(&platform_bus_type)) {
		tegra->domain = iommu_domain_alloc(&platform_bus_type);
		if (IS_ERR(tegra->domain)) {
		err = PTR_ERR(tegra->domain);
		if (!tegra->domain) {
		err = -ENOMEM;
		goto free;
		}