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* [PATCH -next] iommu/amd: fix variable "iommu" set but not used
@ 2020-05-09  1:56 Qian Cai
  2020-05-13  8:40 ` Joerg Roedel
  0 siblings, 1 reply; 2+ messages in thread
From: Qian Cai @ 2020-05-09  1:56 UTC (permalink / raw)
  To: joro; +Cc: iommu, linux-kernel

The commit dce8d6964ebd ("iommu/amd: Convert to probe/release_device()
call-backs") introduced an unused variable,

drivers/iommu/amd_iommu.c: In function 'amd_iommu_uninit_device':
drivers/iommu/amd_iommu.c:422:20: warning: variable 'iommu' set but not
used [-Wunused-but-set-variable]
  struct amd_iommu *iommu;
                    ^~~~~

Signed-off-by: Qian Cai <cai@lca.pw>
---
 drivers/iommu/amd_iommu.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index fef3689ee535..2b8eb58d2bea 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -419,15 +419,12 @@ static void iommu_ignore_device(struct device *dev)
 static void amd_iommu_uninit_device(struct device *dev)
 {
 	struct iommu_dev_data *dev_data;
-	struct amd_iommu *iommu;
 	int devid;
 
 	devid = get_device_id(dev);
 	if (devid < 0)
 		return;
 
-	iommu = amd_iommu_rlookup_table[devid];
-
 	dev_data = search_dev_data(devid);
 	if (!dev_data)
 		return;
-- 
2.21.0 (Apple Git-122.2)

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* Re: [PATCH -next] iommu/amd: fix variable "iommu" set but not used
  2020-05-09  1:56 [PATCH -next] iommu/amd: fix variable "iommu" set but not used Qian Cai
@ 2020-05-13  8:40 ` Joerg Roedel
  0 siblings, 0 replies; 2+ messages in thread
From: Joerg Roedel @ 2020-05-13  8:40 UTC (permalink / raw)
  To: Qian Cai; +Cc: iommu, linux-kernel

On Fri, May 08, 2020 at 09:56:45PM -0400, Qian Cai wrote:
> The commit dce8d6964ebd ("iommu/amd: Convert to probe/release_device()
> call-backs") introduced an unused variable,
> 
> drivers/iommu/amd_iommu.c: In function 'amd_iommu_uninit_device':
> drivers/iommu/amd_iommu.c:422:20: warning: variable 'iommu' set but not
> used [-Wunused-but-set-variable]
>   struct amd_iommu *iommu;
>                     ^~~~~
> 
> Signed-off-by: Qian Cai <cai@lca.pw>
> ---
>  drivers/iommu/amd_iommu.c | 3 ---
>  1 file changed, 3 deletions(-)

Applied, thanks.

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