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* [PATCH] iommu: exynos: remove unneeded local variable initialization
@ 2021-04-08 20:16 ` Krzysztof Kozlowski
  2021-04-09 12:17   ` Marek Szyprowski
  2021-04-15 13:36   ` Joerg Roedel
  0 siblings, 2 replies; 3+ messages in thread
From: Krzysztof Kozlowski @ 2021-04-08 20:16 UTC (permalink / raw)
  To: Marek Szyprowski, Joerg Roedel, Will Deacon, Krzysztof Kozlowski,
	iommu, linux-arm-kernel, linux-samsung-soc, linux-kernel

The initialization of 'fault_addr' local variable is not needed as it is
shortly after overwritten.

Addresses-Coverity: Unused value
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 drivers/iommu/exynos-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index de324b4eedfe..8fa9a591fb96 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -407,7 +407,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
 	struct sysmmu_drvdata *data = dev_id;
 	const struct sysmmu_fault_info *finfo;
 	unsigned int i, n, itype;
-	sysmmu_iova_t fault_addr = -1;
+	sysmmu_iova_t fault_addr;
 	unsigned short reg_status, reg_clear;
 	int ret = -ENOSYS;
 
-- 
2.25.1

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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] iommu: exynos: remove unneeded local variable initialization
  2021-04-08 20:16 ` [PATCH] iommu: exynos: remove unneeded local variable initialization Krzysztof Kozlowski
@ 2021-04-09 12:17   ` Marek Szyprowski
  2021-04-15 13:36   ` Joerg Roedel
  1 sibling, 0 replies; 3+ messages in thread
From: Marek Szyprowski @ 2021-04-09 12:17 UTC (permalink / raw)
  To: Krzysztof Kozlowski, Joerg Roedel, Will Deacon, iommu,
	linux-arm-kernel, linux-samsung-soc, linux-kernel

On 08.04.2021 22:16, Krzysztof Kozlowski wrote:
> The initialization of 'fault_addr' local variable is not needed as it is
> shortly after overwritten.
>
> Addresses-Coverity: Unused value
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---
>   drivers/iommu/exynos-iommu.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index de324b4eedfe..8fa9a591fb96 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -407,7 +407,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id)
>   	struct sysmmu_drvdata *data = dev_id;
>   	const struct sysmmu_fault_info *finfo;
>   	unsigned int i, n, itype;
> -	sysmmu_iova_t fault_addr = -1;
> +	sysmmu_iova_t fault_addr;
>   	unsigned short reg_status, reg_clear;
>   	int ret = -ENOSYS;
>   

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] iommu: exynos: remove unneeded local variable initialization
  2021-04-08 20:16 ` [PATCH] iommu: exynos: remove unneeded local variable initialization Krzysztof Kozlowski
  2021-04-09 12:17   ` Marek Szyprowski
@ 2021-04-15 13:36   ` Joerg Roedel
  1 sibling, 0 replies; 3+ messages in thread
From: Joerg Roedel @ 2021-04-15 13:36 UTC (permalink / raw)
  To: Krzysztof Kozlowski
  Cc: linux-samsung-soc, linux-kernel, iommu, Will Deacon, linux-arm-kernel

On Thu, Apr 08, 2021 at 10:16:22PM +0200, Krzysztof Kozlowski wrote:
>  drivers/iommu/exynos-iommu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-04-15 13:36 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-04-08 20:16 ` [PATCH] iommu: exynos: remove unneeded local variable initialization Krzysztof Kozlowski
2021-04-09 12:17   ` Marek Szyprowski
2021-04-15 13:36   ` Joerg Roedel

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