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pci_devices: udev_device_get_property_values() can return NULL

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This commit is contained in:
Alexander Polyakov 2014-11-03 23:56:59 +03:00
parent 929dc3dc43
commit f96180e926
1 changed files with 9 additions and 9 deletions
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18
osquery/tables/system/linux/pci_devices.cpp
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@ -47,7 +47,7 @@ QueryData genLspci() {
// which contains the device's path in /sys.
udev_list_entry_foreach(dev_list_entry, devices) {
const char *path;
const char *path, *tmp;
// Get the filename of the /sys entry for the PCI device
// and create a udev_device object (dev) representing it
@ -55,14 +55,14 @@ QueryData genLspci() {
dev = udev_device_new_from_syspath(udev, path);
Row r;
r["slot"] = boost::lexical_cast<std::string>(
udev_device_get_property_value(dev, kSlot.c_str()));
r["device_class"] = boost::lexical_cast<std::string>(
udev_device_get_property_value(dev, kClass.c_str()));
r["vendor"] = boost::lexical_cast<std::string>(
udev_device_get_property_value(dev, kVendor.c_str()));
r["model"] = boost::lexical_cast<std::string>(
udev_device_get_property_value(dev, kModel.c_str()));
if ((tmp = udev_device_get_property_value(dev, kSlot.c_str())))
r["slot"] = boost::lexical_cast<std::string>(tmp);
if ((tmp = udev_device_get_property_value(dev, kClass.c_str())))
r["device_class"] = boost::lexical_cast<std::string>(tmp);
if ((tmp = udev_device_get_property_value(dev, kVendor.c_str())))
r["vendor"] = boost::lexical_cast<std::string>(tmp);
if ((tmp = udev_device_get_property_value(dev, kModel.c_str())))
r["model"] = boost::lexical_cast<std::string>(tmp);
results.push_back(r);
}
return results;