udev: hwdb - properly handle a missing database

[elogind.git] / src / libudev / libudev-hwdb.c

diff --git a/src/libudev/libudev-hwdb.c b/src/libudev/libudev-hwdb.c
index 8fe24a432001b7d2ed91d1120c27de867dbe0aee..6779e45b4e5302e675c29b711be17b7fbb33769c 100644 (file)
--- a/src/libudev/libudev-hwdb.c
+++ b/src/libudev/libudev-hwdb.c
@@ -1,7 +1,7 @@
 /***
   This file is part of systemd.
 
-  Copyright 2012 Kay Sievers <kay.sievers@vrfy.org>
+  Copyright 2012 Kay Sievers <kay@vrfy.org>
   Copyright 2008 Alan Jenkins <alan.christopher.jenkins@googlemail.com>
 
   systemd is free software; you can redistribute it and/or modify it
@@ -356,7 +356,7 @@ bool udev_hwdb_validate(struct udev_hwdb *hwdb) {
                 return false;
         if (fstat(fileno(hwdb->f), &st) < 0)
                 return true;
-        if (ts_usec(&hwdb->st.st_mtim) != ts_usec(&st.st_mtim))
+        if (timespec_load(&hwdb->st.st_mtim) != timespec_load(&st.st_mtim))
                 return true;
         return false;
 }
@@ -377,7 +377,7 @@ bool udev_hwdb_validate(struct udev_hwdb *hwdb) {
 _public_ struct udev_list_entry *udev_hwdb_get_properties_list_entry(struct udev_hwdb *hwdb, const char *modalias, unsigned int flags) {
         int err;
 
-        if (!hwdb->f) {
+        if (!hwdb || !hwdb->f) {
                 errno = EINVAL;
                 return NULL;
         }