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>

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index d0bebaa5bf0a2521e00e8739c3caec1d4127f014..e9693a29d00e2fe5b159632e301ca4cd0d08bb4d 100644 (file)
--- 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++) {