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From: Qian Cai <cai@lca.pw>
To: joro@8bytes.org
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	Qian Cai <cai@lca.pw>
Subject: [PATCH -next] iommu/amd: fix variable "iommu" set but not used
Date: Fri,  8 May 2020 21:56:45 -0400	[thread overview]
Message-ID: <20200509015645.3236-1-cai@lca.pw> (raw)

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)


WARNING: multiple messages have this Message-ID (diff)
From: Qian Cai <cai@lca.pw>
To: joro@8bytes.org
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [PATCH -next] iommu/amd: fix variable "iommu" set but not used
Date: Fri,  8 May 2020 21:56:45 -0400	[thread overview]
Message-ID: <20200509015645.3236-1-cai@lca.pw> (raw)

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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             reply	other threads:[~2020-05-09  1:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-09  1:56 Qian Cai [this message]
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
2020-05-13  8:40   ` Joerg Roedel

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