2016-03-21 11:00:57

by Tomeu Vizoso

[permalink] [raw]
Subject: [PATCH] iommu/rockchip: Don't feed NULL res pointers to devres

If we do, devres prints a "invalid resource" string in the error
loglevel.

Signed-off-by: Tomeu Vizoso <[email protected]>
---
drivers/iommu/rockchip-iommu.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index a6f593a0a29e..0253ab35c33b 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1049,6 +1049,8 @@ static int rk_iommu_probe(struct platform_device *pdev)

for (i = 0; i < pdev->num_resources; i++) {
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+ if (!res)
+ continue;
iommu->bases[i] = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(iommu->bases[i]))
continue;
--
2.5.0


2016-03-21 12:38:19

by Javier Martinez Canillas

[permalink] [raw]
Subject: Re: [PATCH] iommu/rockchip: Don't feed NULL res pointers to devres

Hello Tomeu,

On Mon, Mar 21, 2016 at 8:00 AM, Tomeu Vizoso
<[email protected]> wrote:
> If we do, devres prints a "invalid resource" string in the error
> loglevel.
>
> Signed-off-by: Tomeu Vizoso <[email protected]>
> ---

Reviewed-by: Javier Martinez Canillas <[email protected]>

Best regards,
Javier

2016-04-05 14:27:37

by Joerg Roedel

[permalink] [raw]
Subject: Re: [PATCH] iommu/rockchip: Don't feed NULL res pointers to devres

On Mon, Mar 21, 2016 at 12:00:23PM +0100, Tomeu Vizoso wrote:
> If we do, devres prints a "invalid resource" string in the error
> loglevel.
>
> Signed-off-by: Tomeu Vizoso <[email protected]>
> ---
> drivers/iommu/rockchip-iommu.c | 2 ++
> 1 file changed, 2 insertions(+)

Applied, thanks.