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* [PATCH] PCI: mediatek: Fix unchecked return value
@ 2018-07-20 15:01 Gustavo A. R. Silva
  2018-09-05  8:50   ` Honghui Zhang
  2018-09-18 10:46 ` Lorenzo Pieralisi
  0 siblings, 2 replies; 4+ messages in thread
From: Gustavo A. R. Silva @ 2018-07-20 15:01 UTC (permalink / raw)
  To: Ryder Lee, Lorenzo Pieralisi, Bjorn Helgaas
  Cc: linux-pci, linux-mediatek, linux-kernel, Gustavo A. R. Silva

Check return value of devm_pci_remap_iospace.

Notice that, currently, all instances of devm_pci_remap_iospace
are being checked.

Addresses-Coverity-ID: 1471965 ("Unchecked return value")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/pci/controller/pcie-mediatek.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 861dda6..1477939 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
 	if (err < 0)
 		return err;
 
-	devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+	err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+	if (err)
+		return err;
 
 	return 0;
 }
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI: mediatek: Fix unchecked return value
  2018-07-20 15:01 [PATCH] PCI: mediatek: Fix unchecked return value Gustavo A. R. Silva
@ 2018-09-05  8:50   ` Honghui Zhang
  2018-09-18 10:46 ` Lorenzo Pieralisi
  1 sibling, 0 replies; 4+ messages in thread
From: Honghui Zhang @ 2018-09-05  8:50 UTC (permalink / raw)
  To: Gustavo A. R. Silva
  Cc: Ryder Lee, Lorenzo Pieralisi, Bjorn Helgaas, linux-pci,
	linux-mediatek, linux-kernel

On Fri, 2018-07-20 at 10:01 -0500, Gustavo A. R. Silva wrote:
> Check return value of devm_pci_remap_iospace.
> 
> Notice that, currently, all instances of devm_pci_remap_iospace
> are being checked.
> 
> Addresses-Coverity-ID: 1471965 ("Unchecked return value")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
>  drivers/pci/controller/pcie-mediatek.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 

Hi, Gustavo, thanks for your help.

Acked-by: Honghui Zhang <honghui.zhang@mediatek.com>

> diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> index 861dda6..1477939 100644
> --- a/drivers/pci/controller/pcie-mediatek.c
> +++ b/drivers/pci/controller/pcie-mediatek.c
> @@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
>  	if (err < 0)
>  		return err;
>  
> -	devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	if (err)
> +		return err;
>  
>  	return 0;
>  }



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI: mediatek: Fix unchecked return value
@ 2018-09-05  8:50   ` Honghui Zhang
  0 siblings, 0 replies; 4+ messages in thread
From: Honghui Zhang @ 2018-09-05  8:50 UTC (permalink / raw)
  To: Gustavo A. R. Silva
  Cc: Ryder Lee, Lorenzo Pieralisi, Bjorn Helgaas, linux-pci,
	linux-mediatek, linux-kernel

On Fri, 2018-07-20 at 10:01 -0500, Gustavo A. R. Silva wrote:
> Check return value of devm_pci_remap_iospace.
> 
> Notice that, currently, all instances of devm_pci_remap_iospace
> are being checked.
> 
> Addresses-Coverity-ID: 1471965 ("Unchecked return value")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
>  drivers/pci/controller/pcie-mediatek.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 

Hi, Gustavo, thanks for your help.

Acked-by: Honghui Zhang <honghui.zhang@mediatek.com>

> diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> index 861dda6..1477939 100644
> --- a/drivers/pci/controller/pcie-mediatek.c
> +++ b/drivers/pci/controller/pcie-mediatek.c
> @@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
>  	if (err < 0)
>  		return err;
>  
> -	devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	if (err)
> +		return err;
>  
>  	return 0;
>  }

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI: mediatek: Fix unchecked return value
  2018-07-20 15:01 [PATCH] PCI: mediatek: Fix unchecked return value Gustavo A. R. Silva
  2018-09-05  8:50   ` Honghui Zhang
@ 2018-09-18 10:46 ` Lorenzo Pieralisi
  1 sibling, 0 replies; 4+ messages in thread
From: Lorenzo Pieralisi @ 2018-09-18 10:46 UTC (permalink / raw)
  To: Gustavo A. R. Silva
  Cc: Ryder Lee, Bjorn Helgaas, linux-pci, linux-mediatek, linux-kernel

On Fri, Jul 20, 2018 at 10:01:58AM -0500, Gustavo A. R. Silva wrote:
> Check return value of devm_pci_remap_iospace.
> 
> Notice that, currently, all instances of devm_pci_remap_iospace
> are being checked.
> 
> Addresses-Coverity-ID: 1471965 ("Unchecked return value")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
>  drivers/pci/controller/pcie-mediatek.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied to pci/mediatek for v4.20, thanks.

Lorenzo

> diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> index 861dda6..1477939 100644
> --- a/drivers/pci/controller/pcie-mediatek.c
> +++ b/drivers/pci/controller/pcie-mediatek.c
> @@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
>  	if (err < 0)
>  		return err;
>  
> -	devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
> +	if (err)
> +		return err;
>  
>  	return 0;
>  }
> -- 
> 2.7.4
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-09-18 10:46 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2018-07-20 15:01 [PATCH] PCI: mediatek: Fix unchecked return value Gustavo A. R. Silva
2018-09-05  8:50 ` Honghui Zhang
2018-09-05  8:50   ` Honghui Zhang
2018-09-18 10:46 ` Lorenzo Pieralisi

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