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authorVáclav Pavlín <vpavlin@redhat.com>2012-09-21 14:54:30 +0200
committerKay Sievers <kay@vrfy.org>2012-09-23 14:24:43 +0200
commit0820a4f0f6d6c264339a501a4352c22af26c5300 (patch)
tree681975d2fb3f7e99dd88dca6e965a14bc59f163a /src
parentcb32f0141ead382a972f86f144b9500f2414166f (diff)
udev: free rule structure on error
Diffstat (limited to 'src')
-rw-r--r--src/udev/udev-rules.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index d86e6bc578..0900928d0b 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -1728,30 +1728,24 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
/* init token array and string buffer */
rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
- if (rules->tokens == NULL) {
- free(rules);
- return NULL;
- }
+ if (rules->tokens == NULL)
+ return udev_rules_unref(rules);
+
rules->token_max = PREALLOC_TOKEN;
rules->buf = malloc(PREALLOC_STRBUF);
- if (rules->buf == NULL) {
- free(rules->tokens);
- free(rules);
- return NULL;
- }
+ if (rules->buf == NULL)
+ return udev_rules_unref(rules);
+
rules->buf_max = PREALLOC_STRBUF;
/* offset 0 is always '\0' */
rules->buf[0] = '\0';
rules->buf_cur = 1;
rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
- if (rules->trie_nodes == NULL) {
- free(rules->buf);
- free(rules->tokens);
- free(rules);
- return NULL;
- }
+ if (rules->trie_nodes == NULL)
+ return udev_rules_unref(rules);
+
rules->trie_nodes_max = PREALLOC_TRIE;
/* offset 0 is the trie root, with an empty string */
memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
@@ -1763,21 +1757,23 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
NULL);
if (!rules->dirs) {
log_error("failed to build config directory array");
- return NULL;
+ return udev_rules_unref(rules);
}
if (!path_strv_canonicalize(rules->dirs)) {
log_error("failed to canonicalize config directories\n");
- return NULL;
+ return udev_rules_unref(rules);
}
strv_uniq(rules->dirs);
rules->dirs_ts_usec = calloc(strv_length(rules->dirs), sizeof(long long));
+ if(!rules->dirs_ts_usec)
+ return udev_rules_unref(rules);
udev_rules_check_timestamp(rules);
r = conf_files_list_strv(&files, ".rules", (const char **)rules->dirs);
if (r < 0) {
log_error("failed to enumerate rules files: %s\n", strerror(-r));
- return NULL;
+ return udev_rules_unref(rules);
}
/*