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* [PATCH 1/1] iommu/amd: initialize devid variable before using it
@ 2016-06-26  8:33 Nicolas Iooss
  2016-06-27  2:16 ` Wan ZongShun
  2016-06-27 11:28 ` Joerg Roedel
  0 siblings, 2 replies; 3+ messages in thread
From: Nicolas Iooss @ 2016-06-26  8:33 UTC (permalink / raw)
  To: Joerg Roedel; +Cc: iommu, linux-kernel, Nicolas Iooss

Commit 2a0cb4e2d423 ("iommu/amd: Add new map for storing IVHD dev entry
type HID") added a call to DUMP_printk in init_iommu_from_acpi() which
used the value of devid before this variable was initialized.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
---
 drivers/iommu/amd_iommu_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 9e0034196e10..d091defc3426 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1107,13 +1107,13 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
 				break;
 			}
 
+			devid = e->devid;
 			DUMP_printk("  DEV_ACPI_HID(%s[%s])\t\tdevid: %02x:%02x.%x\n",
 				    hid, uid,
 				    PCI_BUS_NUM(devid),
 				    PCI_SLOT(devid),
 				    PCI_FUNC(devid));
 
-			devid  = e->devid;
 			flags = e->flags;
 
 			ret = add_acpi_hid_device(hid, uid, &devid, false);
-- 
2.9.0

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

* Re: [PATCH 1/1] iommu/amd: initialize devid variable before using it
  2016-06-26  8:33 [PATCH 1/1] iommu/amd: initialize devid variable before using it Nicolas Iooss
@ 2016-06-27  2:16 ` Wan ZongShun
  2016-06-27 11:28 ` Joerg Roedel
  1 sibling, 0 replies; 3+ messages in thread
From: Wan ZongShun @ 2016-06-27  2:16 UTC (permalink / raw)
  To: Nicolas Iooss; +Cc: Joerg Roedel, iommu, linux-kernel

2016-06-26 16:33 GMT+08:00 Nicolas Iooss <nicolas.iooss_linux@m4x.org>:
> Commit 2a0cb4e2d423 ("iommu/amd: Add new map for storing IVHD dev entry
> type HID") added a call to DUMP_printk in init_iommu_from_acpi() which
> used the value of devid before this variable was initialized.
>
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
> ---
>  drivers/iommu/amd_iommu_init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
> index 9e0034196e10..d091defc3426 100644
> --- a/drivers/iommu/amd_iommu_init.c
> +++ b/drivers/iommu/amd_iommu_init.c
> @@ -1107,13 +1107,13 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
>                                 break;
>                         }
>
> +                       devid = e->devid;
>                         DUMP_printk("  DEV_ACPI_HID(%s[%s])\t\tdevid: %02x:%02x.%x\n",
>                                     hid, uid,
>                                     PCI_BUS_NUM(devid),
>                                     PCI_SLOT(devid),
>                                     PCI_FUNC(devid));
>
> -                       devid  = e->devid;
>                         flags = e->flags;
>

Sure, thanks for your patch.
This is my fault.

>                         ret = add_acpi_hid_device(hid, uid, &devid, false);
> --
> 2.9.0
>



-- 
---
Vincent Wan(Zongshun)
www.mcuos.com

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

* Re: [PATCH 1/1] iommu/amd: initialize devid variable before using it
  2016-06-26  8:33 [PATCH 1/1] iommu/amd: initialize devid variable before using it Nicolas Iooss
  2016-06-27  2:16 ` Wan ZongShun
@ 2016-06-27 11:28 ` Joerg Roedel
  1 sibling, 0 replies; 3+ messages in thread
From: Joerg Roedel @ 2016-06-27 11:28 UTC (permalink / raw)
  To: Nicolas Iooss; +Cc: iommu, linux-kernel

On Sun, Jun 26, 2016 at 10:33:29AM +0200, Nicolas Iooss wrote:
> Commit 2a0cb4e2d423 ("iommu/amd: Add new map for storing IVHD dev entry
> type HID") added a call to DUMP_printk in init_iommu_from_acpi() which
> used the value of devid before this variable was initialized.
> 
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
> ---
>  drivers/iommu/amd_iommu_init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

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

end of thread, other threads:[~2016-06-27 11:28 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2016-06-26  8:33 [PATCH 1/1] iommu/amd: initialize devid variable before using it Nicolas Iooss
2016-06-27  2:16 ` Wan ZongShun
2016-06-27 11:28 ` Joerg Roedel

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