From: Thierry Reding <thierry.reding@kernel.org>
To: Mikko Perttunen <mperttunen@nvidia.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>,
Jonathan Hunter <jonathanh@nvidia.com>,
Dmitry Osipenko <digetx@gmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org
Subject: Re: [PATCH 1/4] gpu: host1x: Fix iommu_map_sgtable() return value check
Date: Thu, 28 May 2026 17:06:46 +0200 [thread overview]
Message-ID: <ahhZ_Enh2TAWFxDg@orome> (raw)
In-Reply-To: <20260421-iommu_map_sgtable-return-v1-1-fb484c07d2a1@nvidia.com>
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On Tue, Apr 21, 2026 at 01:02:36PM +0900, Mikko Perttunen wrote:
> Commit "iommu: return full error code from iommu_map_sg[_atomic]()"
> changed iommu_map_sgtable() to return an ssize_t and negative values
> in error cases, rather than a size_t and a zero.
>
> pin_job() also was incorrectly assigning to 'int', which could cause
> overflows into negative values.
>
> Update pin_job() to correctly check for errors from iommu_map_sgtable.
>
> Fixes: ad8f36e4b6b1 ("iommu: return full error code from iommu_map_sg[_atomic]()")
> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> ---
> drivers/gpu/host1x/job.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2026-05-28 15:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 4:02 [PATCH 0/4] Fix checking of iommu_map_sgtable return value Mikko Perttunen
2026-04-21 4:02 ` [PATCH 1/4] gpu: host1x: Fix iommu_map_sgtable() return value check Mikko Perttunen
2026-05-28 15:06 ` Thierry Reding [this message]
2026-04-21 4:02 ` [PATCH 2/4] drm/tegra: " Mikko Perttunen
2026-05-28 15:07 ` Thierry Reding
2026-04-21 4:02 ` [PATCH 3/4] drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN Mikko Perttunen
2026-04-21 4:02 ` [PATCH 4/4] media: nvidia: tegra-vde: Fix iommu_map_sgtable() return value check Mikko Perttunen
2026-05-06 16:14 ` Dmitry Osipenko
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