linux-kernel - Re: [PATCH] drm/nouveau/tegra: Modify error handling

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Date:   Tue, 23 Aug 2016 19:13:02 +0200
From:   Alexandre Courbot <gnurou@...il.com>
To:     Amitoj Kaur Chawla <amitoj1606@...il.com>
Cc:     Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>,
        Stephen Warren <swarren@...dotorg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] drm/nouveau/tegra: Modify error handling

On Mon, Aug 15, 2016 at 6:54 AM, Amitoj Kaur Chawla
<amitoj1606@...il.com> wrote:
> iommu_domain_alloc returns NULL on error so replace an incorrect
> IS_ERR check with a NULL check.
>
> The Coccinelle semantic patch used to find this issue is as follows:
> @@
> expression e;
> statement S;
> @@
>
> *e = iommu_domain_alloc(...);
> if (IS_ERR(e)) S
>
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@...il.com>

Reviewed-by: Alexandre Courbot <acourbot@...dia.com>