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 <[email protected]> Reviewed-by: Paolo Bonzini <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Signed-off-by: Radim Krčmář <[email protected]>
niw · May 19, 2017 · 92ceb76 · 92ceb76
1 parent 34b0dad
commit 92ceb76
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);