From: Sasha Levin <levinsasha928@gmail.com>
To: kvm@vger.kernel.org, avi@redhat.com, mtosatti@redhat.com
Cc: Sasha Levin <levinsasha928@gmail.com>
Subject: [PATCH] KVM: Fix warning in emulator_cmpxchg_emulated
Date: Thu, 8 Dec 2011 08:17:20 +0200 [thread overview]
Message-ID: <1323325040-10548-1-git-send-email-levinsasha928@gmail.com> (raw)
Make sure 'exchanged' is initialized. Fixes the following warning:
arch/x86/kvm/x86.c: In function 'emulator_cmpxchg_emulated':
arch/x86/kvm/x86.c:3794:7: warning: 'exchanged' may be used uninitialized in this function
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
---
arch/x86/kvm/x86.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index eeeaf2e..9338afc 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3791,7 +3791,7 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,
gpa_t gpa;
struct page *page;
char *kaddr;
- bool exchanged;
+ bool exchanged = false;
/* guests cmpxchg8b have to be emulated atomically */
if (bytes > 8 || (bytes & (bytes - 1)))
--
1.7.8
next reply other threads:[~2011-12-08 6:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-08 6:17 Sasha Levin [this message]
2011-12-08 8:04 ` [PATCH] KVM: Fix warning in emulator_cmpxchg_emulated Jan Kiszka
2011-12-08 8:25 ` Sasha Levin
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