X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibudev%2Flibudev-hwdb.c;h=42ab6d9a6b356748d21d3ecfd433a71966ed6450;hb=ab17a050b778412b11c82f4fa974be9c491ead36;hp=e72123a3af4ed2cea3ca458b4b036ef8bf07dc39;hpb=40fe8b11be9c1a1b38b91db097a5d6ebfa99304c;p=elogind.git

diff --git a/src/libudev/libudev-hwdb.c b/src/libudev/libudev-hwdb.c
index e72123a3a..42ab6d9a6 100644
--- 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
@@ -169,8 +169,8 @@ static int trie_fnmatch_f(struct udev_hwdb *hwdb, const struct trie_node_f *node
                 linebuf_rem_char(buf);
         }
 
-        if (node->values_count && fnmatch(linebuf_get(buf), search, 0) == 0)
-                for (i = 0; i < node->values_count; i++) {
+        if (le64toh(node->values_count) && fnmatch(linebuf_get(buf), search, 0) == 0)
+                for (i = 0; i < le64toh(node->values_count); i++) {
                         err = hwdb_add_property(hwdb, trie_string(hwdb, trie_node_values(hwdb, node)[i].key_off),
                                                 trie_string(hwdb, trie_node_values(hwdb, node)[i].value_off));
                         if (err < 0)
@@ -236,7 +236,7 @@ static int trie_search_f(struct udev_hwdb *hwdb, const char *search) {
                 if (search[i] == '\0') {
                         size_t n;
 
-                        for (n = 0; n < node->values_count; n++) {
+                        for (n = 0; n < le64toh(node->values_count); n++) {
                                 err = hwdb_add_property(hwdb, trie_string(hwdb, trie_node_values(hwdb, node)[n].key_off),
                                                         trie_string(hwdb, trie_node_values(hwdb, node)[n].value_off));
                                 if (err < 0)
@@ -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;
         }