Add missing arguments to Interface() error on failed descriptor

retrieval.
2017-11-12 03:32:09 +01:00
parent b893afb018
commit d0366361a2
1 changed files with 1 additions and 1 deletions
--- a/config.go
+++ b/config.go
@@ -110,7 +110,7 @@ func (c *Config) Interface(num, alt int) (*Interface, error) {

 	altInfo, err := c.Desc.intfDesc(num, alt)
 	if err != nil {
-		return nil, fmt.Errorf("in %s: %v", err)
+		return nil, fmt.Errorf("descriptor of interface (%d, %d) in %s: %v", num, alt, c, err)
 	}

 	c.mu.Lock()