From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 26 Feb 2009 19:57:48 +0000 (+0100)
Subject: usb_id: fix NULL string usage
X-Git-Tag: 174~1145
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=468641f87fbe458f8ee7ed7696b408f6ba98e57d;p=elogind.git

usb_id: fix NULL string usage
---

diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index 92c5f479c..9ce0cdbe1 100644
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -266,7 +266,7 @@ static int usb_id(struct udev_device *dev)
 	dbg(udev, "syspath %s\n", udev_device_get_syspath(dev));
 
 	/* shortcut if we are called for a usb_device */
-	if (strcmp(udev_device_get_devtype(dev), "usb_device") == 0) {
+	if (udev_device_get_devtype(dev) != NULL && strcmp(udev_device_get_devtype(dev), "usb_device") == 0) {
 		dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str));
 		dev_usb = dev;
 		goto fallback;