checking errors in fs walk

zserge · Jun 27, 2015 · 3e836ce · 3e836ce
1 parent 801bb3f
commit 3e836ce
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/usb_linux.go b/usb_linux.go
@@ -266,8 +266,8 @@ func walker(path string, cb func(Device)) error {
 }
 
 func UsbWalk(cb func(Device)) {
-	filepath.Walk(DevBusUsb, func(f string, fi os.FileInfo, _ error) error {
-		if fi.IsDir() {
+	filepath.Walk(DevBusUsb, func(f string, fi os.FileInfo, err error) error {
+		if err != nil || fi.IsDir() {
 			return nil
 		}
 		if err := walker(f, cb); err != nil {