On Thu, Dec 04, 2014 at 02:00:35PM +0300, Dan Carpenter wrote:
> iommu_domain_alloc() returns NULL on error, it never returns error
> pointers.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
> index e549afe..fa16048 100644
> --- a/drivers/gpu/drm/tegra/drm.c
> +++ b/drivers/gpu/drm/tegra/drm.c
> @@ -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;
> }
Oh, good catch. Applied, thanks.
Thierry
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