kvm/iommu: fix compile warning

This fixes a compile warning about a variable thats maybe used
uninitialized in the function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index d0bebaa5bf0a..e9693a29d00e 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -71,7 +71,7 @@ unmap_pages:
 
 static int kvm_iommu_map_memslots(struct kvm *kvm)
 {
-        int i, r;
+        int i, r = 0;
 
         down_read(&kvm->slots_lock);
         for (i = 0; i < kvm->nmemslots; i++) {