bugfix: avoid nil reference when ignore is nil (#1414)

Signed-off-by: detailyang <detailyang@gmail.com>
prometheus · Jul 12, 2019 · 7fe9713 · 7fe9713
1 parent f693a71
commit 7fe9713
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/collector/netdev_darwin.go b/collector/netdev_darwin.go
@@ -42,7 +42,7 @@ func getNetDevStats(ignore *regexp.Regexp, accept *regexp.Regexp) (map[string]ma
 			continue
 		}
 
-		if ignore.MatchString(iface.Name) {
+		if ignore != nil && ignore.MatchString(iface.Name) {
 			log.Debugf("Ignoring device: %s", iface.Name)
 			continue
 		}