Fix a memory leak in the `write_stackdriver` plugin

The `payload` was never freed. This was affecting potentially every call to both the "write" and "flush" callbacks.

diff --git a/src/write_stackdriver.c b/src/write_stackdriver.c
index 8fe85a3ea1bb558a884692c70ad29758082d2b93..a60d0b9b07ae2ef42d74e8b4c9a96e13dece5a17 100644 (file)
--- a/src/write_stackdriver.c
+++ b/src/write_stackdriver.c
@@ -343,6 +343,7 @@ static int wg_flush_nolock(cdtime_t timeout, wg_callback_t *cb) /* {{{ */
   char *payload = sd_output_reset(cb->formatter);
   int status = wg_call_timeseries_write(cb, payload);
   wg_reset_buffer(cb);
+  sfree(payload);
   return status;
 } /* }}} wg_flush_nolock */