From: Colin Ian King <colin.king@canonical.com>
Date: Sat, 11 May 2019 12:41:35 +0000 (+0100)
Subject: iommu/amd: Remove redundant assignment to variable npages
X-Git-Tag: v5.3-rc1~172^2^2~5
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2dbbcce1f8dd3cd3cbb95717fd73d771a6c60718;p=users%2Fjedix%2Flinux-maple.git

iommu/amd: Remove redundant assignment to variable npages

The variable npages is being initialized however this is never read and
later it is being reassigned to a new value. The initialization is
redundant and hence can be removed.

Addresses-Coverity: ("Unused Value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 09c9e45f7fa2..c0b5b9298e8e 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2609,7 +2609,7 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist,
 	struct protection_domain *domain;
 	struct dma_ops_domain *dma_dom;
 	unsigned long startaddr;
-	int npages = 2;
+	int npages;
 
 	domain = get_domain(dev);
 	if (IS_ERR(domain))