From: Pavel Rochnyack <pavel2000@ngs.ru>
Date: Wed, 25 May 2016 07:15:31 +0000 (+0600)
Subject: disk plugin: Call disk_udev_attr_name() only when UdevNameAttr configured
X-Git-Tag: collectd-5.6.0~297^2~1
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=bdbc066;p=collectd.git

disk plugin: Call disk_udev_attr_name() only when UdevNameAttr configured
---

diff --git a/src/disk.c b/src/disk.c
index 0d624886..07383c75 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -867,9 +867,13 @@ static int disk_read (void)
 		output_name = disk_name;
 
 #if HAVE_LIBUDEV
-		char *alt_name = disk_udev_attr_name (handle_udev, disk_name, conf_udev_name_attr);
-		if (alt_name != NULL)
-			output_name = alt_name;
+		char *alt_name = NULL;
+		if (conf_udev_name_attr != NULL)
+		{
+			alt_name = disk_udev_attr_name (handle_udev, disk_name, conf_udev_name_attr);
+			if (alt_name != NULL)
+				output_name = alt_name;
+		}
 #endif
 
 		if (ignorelist_match (ignorelist, output_name) != 0)