From: Alex Williamson <alex.williamson@redhat.com>
Date: Mon, 30 May 2016 13:58:10 +0000 (-0600)
Subject: vfio/type1: Fix build warning
X-Git-Tag: v4.14-rc1~3069^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=089f1c6b2daeab750fd92a28529928bc13c95d97;p=platform%2Fkernel%2Flinux-rpi.git

vfio/type1: Fix build warning

This function cannot actually be called with npage = 0, so in practice
this doesn't return an uninitialized value.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 15a6582..2ba1942 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -515,7 +515,7 @@ static int map_try_harder(struct vfio_domain *domain, dma_addr_t iova,
 			  unsigned long pfn, long npage, int prot)
 {
 	long i;
-	int ret;
+	int ret = 0;
 
 	for (i = 0; i < npage; i++, pfn++, iova += PAGE_SIZE) {
 		ret = iommu_map(domain->domain, iova,