Messages in this thread Patch in this message | | | From | Clemens Gruber <> | Subject | [PATCH] kvm: fix maybe-uninitialized compiler warning | Date | Fri, 4 Sep 2015 23:07:56 +0200 |
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Fixes the following compiler warning, occuring with GCC 5.2.0:
arch/x86/kvm/mmu.c: In function ‘handle_mmio_page_fault_common’: arch/x86/kvm/mmu.c:3332:9: warning: ‘leaf’ may be used uninitialized in this function [-Wmaybe-uninitialized] while (root >= leaf) { ^ arch/x86/kvm/mmu.c:3304:12: note: ‘leaf’ was declared here int root, leaf;
Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com> --- arch/x86/kvm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index fb16a8e..0af5a39 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3301,7 +3301,7 @@ walk_shadow_page_get_mmio_spte(struct kvm_vcpu *vcpu, u64 addr, u64 *sptep) { struct kvm_shadow_walk_iterator iterator; u64 sptes[PT64_ROOT_LEVEL], spte = 0ull; - int root, leaf; + int root, leaf=0; bool reserved = false; if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) -- 2.5.1
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