Address golang lint errors

db/mongo.go

@@ -212,7 +212,10 @@ func (c *mongoCollection) Watch(ctx context.Context, filter interface{}, cb Watc
 		// keeping the handles and stack clean
 		// Note: this may not be required, if loop doesn't require it
 		// but still it is safe to keep ensuring appropriate cleanup
-		defer stream.Close(context.Background())
+		defer func() {
+			// ignore the error returned by stream close as of now
+			_ = stream.Close(context.Background())
+		}()
 		defer func() {
 			if !errors.Is(ctx.Err(), context.Canceled) {
 				// panic if the return from this function is not

db/mongo_test.go

@@ -217,9 +217,9 @@ func Test_CollectionWatch(t *testing.T) {
 		mongoTestAddUpOps = 0
 		mongoTestDeleteOps = 0
 		myMongoTestDeleteOps = 0
-		col.Watch(watchCtx, nil, myKeyWatcher)
+		_ = col.Watch(watchCtx, nil, myKeyWatcher)
 		matchDeleteStage := mongo.Pipeline{bson.D{{Key: "$match", Value: bson.D{{Key: "operationType", Value: "delete"}}}}}
-		col.Watch(watchCtx, matchDeleteStage, myDeleteWatcher)
+		_ = col.Watch(watchCtx, matchDeleteStage, myDeleteWatcher)
 
 		key := &MyKey{
 			Name: "test-key",

lock/owner.go

@@ -153,7 +153,5 @@ func InitializeLockOwner(ctx context.Context, store db.Store, name string) error
 	}
 
 	// allocate owner entry context
-	ownerTable.allocateOwner(name)
-
-	return nil
+	return ownerTable.allocateOwner(name)
 }