iommu/amd: remove unused variable flush_addr

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>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 3c1a29104f0e..797e6454afd5 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -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;