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iommu/amd: remove unused variable flush_addr

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Variable flush_addr is being assigned but is never read; it
is redundant and can be removed. Cleans up the clang warning:

drivers/iommu/amd_iommu.c:2388:2: warning: Value stored to 'flush_addr'
is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Colin Ian King 2017-11-03 10:50:32 -06:00 committed by Alex Williamson
parent 07d1c91b6c
commit 2c40367cbf
1 changed files with 0 additions and 2 deletions
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2
drivers/iommu/amd_iommu.c
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@ -2382,11 +2382,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
size_t size,
int dir)
{
dma_addr_t flush_addr;
dma_addr_t i, start;
unsigned int pages;
flush_addr = dma_addr;
pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
dma_addr &= PAGE_MASK;
start = dma_addr;