* [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe
@ 2026-07-01 22:24 Vladimir Zapolskiy
2026-07-02 8:46 ` Konrad Dybcio
2026-07-02 12:46 ` Dmitry Baryshkov
0 siblings, 2 replies; 3+ messages in thread
From: Vladimir Zapolskiy @ 2026-07-01 22:24 UTC (permalink / raw)
To: Rob Clark, Joerg Roedel
Cc: Will Deacon, Robin Murphy, Sricharan Ramabadhran, iommu,
linux-arm-msm
If dynamic memory allocation in driver's probe function execution fails,
it should be reported to the driver's framework with -ENOMEM error code.
Fixes: 109bd48ea2e1 ("iommu/msm: Add DT adaptation")
Signed-off-by: Vladimir Zapolskiy <vz@kernel.org>
---
drivers/iommu/msm_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 0ad5ff431d5b..708baeb29c03 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -720,7 +720,7 @@ static int msm_iommu_probe(struct platform_device *pdev)
iommu = devm_kzalloc(&pdev->dev, sizeof(*iommu), GFP_KERNEL);
if (!iommu)
- return -ENODEV;
+ return -ENOMEM;
iommu->dev = &pdev->dev;
INIT_LIST_HEAD(&iommu->ctx_list);
--
2.51.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe
2026-07-01 22:24 [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe Vladimir Zapolskiy
@ 2026-07-02 8:46 ` Konrad Dybcio
2026-07-02 12:46 ` Dmitry Baryshkov
1 sibling, 0 replies; 3+ messages in thread
From: Konrad Dybcio @ 2026-07-02 8:46 UTC (permalink / raw)
To: Vladimir Zapolskiy, Rob Clark, Joerg Roedel
Cc: Will Deacon, Robin Murphy, Sricharan Ramabadhran, iommu,
linux-arm-msm
On 7/2/26 12:24 AM, Vladimir Zapolskiy wrote:
> If dynamic memory allocation in driver's probe function execution fails,
> it should be reported to the driver's framework with -ENOMEM error code.
>
> Fixes: 109bd48ea2e1 ("iommu/msm: Add DT adaptation")
> Signed-off-by: Vladimir Zapolskiy <vz@kernel.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe
2026-07-01 22:24 [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe Vladimir Zapolskiy
2026-07-02 8:46 ` Konrad Dybcio
@ 2026-07-02 12:46 ` Dmitry Baryshkov
1 sibling, 0 replies; 3+ messages in thread
From: Dmitry Baryshkov @ 2026-07-02 12:46 UTC (permalink / raw)
To: Vladimir Zapolskiy
Cc: Rob Clark, Joerg Roedel, Will Deacon, Robin Murphy,
Sricharan Ramabadhran, iommu, linux-arm-msm
On Thu, Jul 02, 2026 at 01:24:11AM +0300, Vladimir Zapolskiy wrote:
> If dynamic memory allocation in driver's probe function execution fails,
> it should be reported to the driver's framework with -ENOMEM error code.
>
> Fixes: 109bd48ea2e1 ("iommu/msm: Add DT adaptation")
> Signed-off-by: Vladimir Zapolskiy <vz@kernel.org>
> ---
> drivers/iommu/msm_iommu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-07-01 22:24 [PATCH] iommu/msm: Return -ENOMEM on memory allocation failure in probe Vladimir Zapolskiy
2026-07-02 8:46 ` Konrad Dybcio
2026-07-02 12:46 ` Dmitry Baryshkov
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