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authorRadim Krčmář <rkrcmar@redhat.com>2017-05-18 19:37:32 +0200
committerRadim Krčmář <rkrcmar@redhat.com>2017-05-19 19:59:28 +0200
commit92ceb7679ab8807d3b7fbcc6daf2279036954ef5 (patch)
treed10ea8fb176db01eb15a7d41778f68d350358c5c /arch
parentKVM: x86/vPMU: fix undefined shift in intel_pmu_refresh() (diff)
downloadlinux-92ceb7679ab8807d3b7fbcc6daf2279036954ef5.tar.xz
linux-92ceb7679ab8807d3b7fbcc6daf2279036954ef5.zip
KVM: x86: prevent uninitialized variable warning in check_svme()
get_msr() of MSR_EFER is currently always going to succeed, but static checker doesn't see that far. Don't complicate stuff and just use 0 for the fallback -- it means that the feature is not present. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/emulate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c25cfaf584e7..0816ab2e8adc 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4173,7 +4173,7 @@ static int check_dr_write(struct x86_emulate_ctxt *ctxt)
static int check_svme(struct x86_emulate_ctxt *ctxt)
{
- u64 efer;
+ u64 efer = 0;
ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);