throttle: Make throttle_max_is_missing_limit() set errp

The caller does not need to set it, and this will allow us to refactor this function later. Signed-off-by: Alberto Garcia <[email protected]> Reviewed-by: Kevin Wolf <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]> Signed-off-by: Kevin Wolf <[email protected]>
ericyuanhui · Feb 22, 2016 · 45b2d41 · 45b2d41
1 parent 6921b18
commit 45b2d41
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Showing 4 changed files with 9 additions and 8 deletions.
diff --git a/blockdev.c b/blockdev.c
@@ -355,9 +355,7 @@ static bool check_throttle_config(ThrottleConfig *cfg, Error **errp)
         return false;
     }
 
-    if (throttle_max_is_missing_limit(cfg)) {
-        error_setg(errp, "bps_max/iops_max require corresponding"
-                         " bps/iops values");
+    if (throttle_max_is_missing_limit(cfg, errp)) {
         return false;
     }
 

diff --git a/include/qemu/throttle.h b/include/qemu/throttle.h
@@ -110,7 +110,7 @@ bool throttle_conflicting(ThrottleConfig *cfg, Error **errp);
 
 bool throttle_is_valid(ThrottleConfig *cfg);
 
-bool throttle_max_is_missing_limit(ThrottleConfig *cfg);
+bool throttle_max_is_missing_limit(ThrottleConfig *cfg, Error **errp);
 
 void throttle_config(ThrottleState *ts,
                      ThrottleTimers *tt,

diff --git a/tests/test-throttle.c b/tests/test-throttle.c
@@ -338,15 +338,15 @@ static void test_max_is_missing_limit(void)
         memset(&cfg, 0, sizeof(cfg));
         cfg.buckets[i].max = 100;
         cfg.buckets[i].avg = 0;
-        g_assert(throttle_max_is_missing_limit(&cfg));
+        g_assert(throttle_max_is_missing_limit(&cfg, NULL));
 
         cfg.buckets[i].max = 0;
         cfg.buckets[i].avg = 0;
-        g_assert(!throttle_max_is_missing_limit(&cfg));
+        g_assert(!throttle_max_is_missing_limit(&cfg, NULL));
 
         cfg.buckets[i].max = 0;
         cfg.buckets[i].avg = 100;
-        g_assert(!throttle_max_is_missing_limit(&cfg));
+        g_assert(!throttle_max_is_missing_limit(&cfg, NULL));
     }
 }
 

diff --git a/util/throttle.c b/util/throttle.c
@@ -306,13 +306,16 @@ bool throttle_is_valid(ThrottleConfig *cfg)
 
 /* check if bps_max/iops_max is used without bps/iops
  * @cfg: the throttling configuration to inspect
+ * @errp: error object
  */
-bool throttle_max_is_missing_limit(ThrottleConfig *cfg)
+bool throttle_max_is_missing_limit(ThrottleConfig *cfg, Error **errp)
 {
     int i;
 
     for (i = 0; i < BUCKETS_COUNT; i++) {
         if (cfg->buckets[i].max && !cfg->buckets[i].avg) {
+            error_setg(errp, "bps_max/iops_max require corresponding"
+                       " bps/iops values");
             return true;
         }
     }