kvm: use qemu_free consistently

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/kvm-all.c b/kvm-all.c
index 8b85029..d92c20e 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1191,7 +1191,7 @@
         bp->use_count = 1;
         err = kvm_arch_insert_sw_breakpoint(current_env, bp);
         if (err) {
-            free(bp);
+            qemu_free(bp);
             return err;
         }
 
@@ -1315,7 +1315,7 @@
     sigmask->len = 8;
     memcpy(sigmask->sigset, sigset, sizeof(*sigset));
     r = kvm_vcpu_ioctl(env, KVM_SET_SIGNAL_MASK, sigmask);
-    free(sigmask);
+    qemu_free(sigmask);
 
     return r;
 }
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 485572f..faedc6c 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -572,7 +572,7 @@
             }
         }
 
-        free(kvm_msr_list);
+        qemu_free(kvm_msr_list);
     }
 
     return ret;