csv plugin: plug memory leak on error

CID 38015

Signed-off-by: Florian Forster <octo@collectd.org>

diff --git a/src/csv.c b/src/csv.c
index 958e34baf0d96d825e8ce9dfa79a21849db6e3d2..5268237e33e566c9878fde98e989345e55eff3a7 100644 (file)
--- a/src/csv.c
+++ b/src/csv.c
@@ -65,13 +65,16 @@ static int value_list_to_string (char *buffer, int buffer_len,
                                && (ds->ds[i].type != DS_TYPE_GAUGE)
                                && (ds->ds[i].type != DS_TYPE_DERIVE)
                                && (ds->ds[i].type != DS_TYPE_ABSOLUTE))
+               {
+                       sfree (rates);
                        return (-1);
+               }
 
-               if (ds->ds[i].type == DS_TYPE_GAUGE) 
+               if (ds->ds[i].type == DS_TYPE_GAUGE)
                {
                        status = ssnprintf (buffer + offset, buffer_len - offset,
                                        ",%lf", vl->values[i].gauge);
-               } 
+               }
                else if (store_rates != 0)
                {
                        if (rates == NULL)