qemuMonitorTestProcessCommandDefaultValidate: Clean up return value use

We no longer return the error via the monitor, so the function no longer
returns '1'. Remove the mention from comment and fix callers to stop
looking for the return value of '1'.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

tests/qemumonitortestutils.c

@@ -529,8 +529,7 @@ qemuMonitorTestHandlerDataFree(void *opaque)
 }
 
 
-/* Returns -1 on error, 0 if validation was successful/not necessary, 1 if
- * the validation has failed, and the reply was properly constructed */
+/* Returns -1 on error, 0 if validation was successful/not necessary */
 static int
 qemuMonitorTestProcessCommandDefaultValidate(qemuMonitorTestPtr test,
                                              const char *cmdname,
@@ -585,7 +584,6 @@ qemuMonitorTestProcessCommandDefault(qemuMonitorTestPtr test,
     g_autoptr(virJSONValue) val = NULL;
     virJSONValuePtr cmdargs = NULL;
     const char *cmdname;
-    int rc;
 
     if (!(val = virJSONValueFromString(cmdstr)))
         return -1;
@@ -596,10 +594,8 @@ qemuMonitorTestProcessCommandDefault(qemuMonitorTestPtr test,
     }
 
     cmdargs = virJSONValueObjectGet(val, "arguments");
-    if ((rc = qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs)) < 0)
+    if (qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs) < 0)
         return -1;
-    if (rc == 1)
-        return 0;
 
     if (data->command_name && STRNEQ(data->command_name, cmdname)) {
         qemuMonitorTestErrorInvalidCommand(data->command_name, cmdname);
@@ -641,7 +637,6 @@ qemuMonitorTestProcessCommandVerbatim(qemuMonitorTestPtr test,
     virJSONValuePtr cmdargs;
     const char *cmdname;
     int ret = -1;
-    int rc;
 
     /* JSON strings will be reformatted to simplify checking */
     if (!(json = virJSONValueFromString(cmdstr)) ||
@@ -653,12 +648,8 @@ qemuMonitorTestProcessCommandVerbatim(qemuMonitorTestPtr test,
     /* in this case we do a best-effort schema check if we can find the command */
     if ((cmdname = virJSONValueObjectGetString(json, "execute"))) {
         cmdargs = virJSONValueObjectGet(json, "arguments");
-
-        if ((rc = qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs)) < 0)
+        if (qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs) < 0)
             return -1;
-
-        if (rc == 1)
-            return 0;
     }
 
     if (STREQ(data->command_name, cmdstr)) {