From: Clemens Gruber <clemens.gruber@pqgruber.com>
To: kvm@vger.kernel.org
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Clemens Gruber <clemens.gruber@pqgruber.com>
Subject: [PATCH] kvm: fix maybe-uninitialized compiler warning
Date: Fri, 4 Sep 2015 23:07:56 +0200 [thread overview]
Message-ID: <1441400876-20563-1-git-send-email-clemens.gruber@pqgruber.com> (raw)
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
next reply other threads:[~2015-09-04 21:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-04 21:07 Clemens Gruber [this message]
2015-09-06 7:30 ` [PATCH] kvm: fix maybe-uninitialized compiler warning Xiao Guangrong
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