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libudev: avoid leak during realloc failure

This commit is contained in:
Mauro Dreissig 2012-11-11 22:07:51 -02:00 committed by Kay Sievers
parent 33b4055123
commit cf2292f5ac
1 changed files with 4 additions and 2 deletions
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6
src/libudev/libudev-list.c
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@ -185,18 +185,20 @@ struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *
if (list->unique) {
/* allocate or enlarge sorted array if needed */
if (list->entries_cur >= list->entries_max) {
struct udev_list_entry **entries;
unsigned int add;
add = list->entries_max;
if (add < 1)
add = 64;
list->entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *));
if (list->entries == NULL) {
entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *));
if (entries == NULL) {
free(entry->name);
free(entry->value);
free(entry);
return NULL;
}
list->entries = entries;
list->entries_max += add;
}