[Pcsclite-cvs-commit] r5673 - /trunk/PCSC/src/hotplug_libudev.c

[rousseau at users.alioth.debian.org]

Author: rousseau
Date: Sat Mar 26 17:21:48 2011
New Revision: 5673

URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=5673
Log:
Check the udev_device_get_devnode() return value (and avoids a crash)

Fix Debian bug #619241

Modified:
    trunk/PCSC/src/hotplug_libudev.c

Modified: trunk/PCSC/src/hotplug_libudev.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/PCSC/src/hotplug_libudev.c?rev=5673&op=diff
==============================================================================
--- trunk/PCSC/src/hotplug_libudev.c (original)
+++ trunk/PCSC/src/hotplug_libudev.c Sat Mar 26 17:21:48 2011
@@ -426,6 +426,10 @@
 			continue;
 
 		devpath = udev_device_get_devnode(parent);
+		if (!devpath)
+			/* the device disapeared? */
+			continue;
+
 		driver = get_driver(parent, devpath);
 		if (NULL == driver)
 			/* no driver known for this device */
@@ -547,6 +551,9 @@
 		parent = udev_device_get_parent_with_subsystem_devtype(dev, "usb",
 			"usb_device");
 		devpath = udev_device_get_devnode(parent);
+		if (!devpath)
+			/* the device disapeared? */
+			continue;
 
 		HPAddDevice(dev, parent, devpath);