Added missing check for a nil error.

google · Sep 22, 2021 · aa59cb1 · aa59cb1
1 parent f0a81ff
commit aa59cb1
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/Source/santametricservice/Formats/SNTMetricRawJSONFormat.m b/Source/santametricservice/Formats/SNTMetricRawJSONFormat.m
@@ -79,13 +79,14 @@ - (NSDictionary *)normalize:(NSDictionary *)metrics {
   NSDictionary *normalizedMetrics = [self normalize:metrics];
 
   if (![NSJSONSerialization isValidJSONObject:normalizedMetrics]) {
-    *err = [[NSError alloc]
-      initWithDomain:@"SNTMetricRawJSONFileWriter"
-                code:EINVAL
-            userInfo:@{
-              NSLocalizedDescriptionKey : @"unable to convert metrics to JSON: invalid metrics"
-            }];
-
+    if (err != nil) {
+      *err = [[NSError alloc]
+        initWithDomain:@"SNTMetricRawJSONFileWriter"
+                  code:EINVAL
+              userInfo:@{
+                NSLocalizedDescriptionKey : @"unable to convert metrics to JSON: invalid metrics"
+              }];
+    }
     return nil;
   }