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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:27:29 +0200
commit5ce001b0e56638c726270d4f9e05d46d4250dfbb (patch)
treec21cf007ddef99d5e8b23dde9621bd9152e676a8 /arch/ia64/kvm/mmio.c
parent7c9f8861e6c9c839f913e49b98c3854daca18f27 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into stackprotectortip-stackprotector-2008-06-25_10.27_Wed
Diffstat (limited to 'arch/ia64/kvm/mmio.c')
-rw-r--r--arch/ia64/kvm/mmio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/kvm/mmio.c b/arch/ia64/kvm/mmio.c
index 351bf70da463..7f1a858bc69f 100644
--- a/arch/ia64/kvm/mmio.c
+++ b/arch/ia64/kvm/mmio.c
@@ -159,7 +159,8 @@ static void mmio_access(struct kvm_vcpu *vcpu, u64 src_pa, u64 *dest,
if (p->u.ioreq.state == STATE_IORESP_READY) {
if (dir == IOREQ_READ)
- *dest = p->u.ioreq.data;
+ /* it's necessary to ensure zero extending */
+ *dest = p->u.ioreq.data & (~0UL >> (64-(s*8)));
} else
panic_vm(vcpu);
out: