fix: incorrect logic for error handling (#72)

Signed-off-by: Gaukas Wang <[email protected]>
refraction-networking · Jun 24, 2024 · 8979246 · 8979246
1 parent b72fffc
commit 8979246
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/core.go b/core.go
@@ -392,14 +392,16 @@ func (c *core) Instantiate() (err error) {
 		memFS := memfs.New()
 
 		err := memFS.WriteFile("watm.cfg", c.config.TransportModuleConfig.AsBytes())
-		if errors.Is(err, nil) || errors.Is(err, sys.Errno(0)) {
+		if !errors.Is(err, nil) && !errors.Is(err, sys.Errno(0)) {
 			return fmt.Errorf("water: memFS.WriteFile returned error: %w", err)
 		}
 
 		if expFsCfg, ok := fsCfg.(expsysfs.FSConfig); ok {
 			fsCfg = expFsCfg.WithSysFSMount(memFS, "/conf/")
 			mc.SetFSConfig(fsCfg)
 		}
+	} else {
+		log.LWarnf(c.config.Logger(), "water: TransportModuleConfig is not set, skipping...")
 	}
 
 	if c.instance, err = c.runtime.InstantiateModule(