Messages in this thread Patch in this message | | | From | Colin King <> | Subject | [PATCH] iommu: remove redundant assignment to variable agaw | Date | Fri, 16 Apr 2021 18:18:26 +0100 |
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From: Colin Ian King <colin.king@canonical.com>
The variable agaw is initialized with a value that is never read and it is being updated later with a new value as a counter in a for-loop. The initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/iommu/intel/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 0e04d450c38a..171dd4844ab2 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -564,7 +564,7 @@ static inline int domain_pfn_supported(struct dmar_domain *domain, static int __iommu_calculate_agaw(struct intel_iommu *iommu, int max_gaw) { unsigned long sagaw; - int agaw = -1; + int agaw; sagaw = cap_sagaw(iommu->cap); for (agaw = width_to_agaw(max_gaw); -- 2.30.2
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