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powerdns plugin: Ensure powerdns_get_data() returns a non-NULL buffer.
[collectd.git]
/
src
/
powerdns.c
diff --git
a/src/powerdns.c
b/src/powerdns.c
index
f2149ef
..
fa3eef3
100644
(file)
--- a/
src/powerdns.c
+++ b/
src/powerdns.c
@@
-598,6
+598,9
@@
static int powerdns_read_server(list_item_t *item) /* {{{ */
status = powerdns_get_data(item, &buffer, &buffer_size);
if (status != 0)
return (-1);
status = powerdns_get_data(item, &buffer, &buffer_size);
if (status != 0)
return (-1);
+ if ((buffer == NULL) || (buffer_size == 0)) {
+ return EINVAL;
+ }
if (item->fields_num != 0) {
fields = (const char *const *)item->fields;
if (item->fields_num != 0) {
fields = (const char *const *)item->fields;