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iommu/arm-smmu-v3: remove set but not used variable 'smmu' 

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/iommu/arm-smmu-v3.c:2989:26:
warning: variable ‘smmu’ set but not used [-Wunused-but-set-variable]
  struct arm_smmu_device *smmu;

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Link: https://lore.kernel.org/r/20200508014955.87630-1-chenzhou10@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Chen Zhou 2020-05-08 09:49:55 +08:00 committed by Will Deacon
parent bd0d696023
commit 06020196c8
1 changed files with 0 additions and 2 deletions
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2
drivers/iommu/arm-smmu-v3.c
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@ -2986,13 +2986,11 @@ static void arm_smmu_release_device(struct device *dev)
{
struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct arm_smmu_master *master;
struct arm_smmu_device *smmu;
if (!fwspec || fwspec->ops != &arm_smmu_ops)
return;
master = dev_iommu_priv_get(dev);
smmu = master->smmu;
arm_smmu_detach_dev(master);
arm_smmu_disable_pasid(master);
kfree(master);