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iommu/mediatek-v1: Fix a build warning for a unused variable 'data'

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This patch fixes a build warning:
drivers/iommu/mtk_iommu_v1.c: In function 'mtk_iommu_release_device':
>> drivers/iommu/mtk_iommu_v1.c:467:25: warning: variable 'data' set but
>> not used [-Wunused-but-set-variable]
467 |  struct mtk_iommu_data *data;
|                         ^~~~

It's reported at:
https://lore.kernel.org/linux-iommu/202005191458.gY38V8bU%25lkp@intel.com/T/#u

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/1589875064-662-1-git-send-email-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yong Wu 2020-05-19 15:57:44 +08:00 committed by Joerg Roedel
parent 8bbe13f52c
commit 2bc61fbcc1
1 changed files with 0 additions and 2 deletions
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2
drivers/iommu/mtk_iommu_v1.c
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@ -469,12 +469,10 @@ static void mtk_iommu_probe_finalize(struct device *dev)
static void mtk_iommu_release_device(struct device *dev)
{
struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct mtk_iommu_data *data;
if (!fwspec || fwspec->ops != &mtk_iommu_ops)
return;
data = dev_iommu_priv_get(dev);
iommu_fwspec_free(dev);
}