write_riemann plugin: plug leak on error

CID #37996

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

diff --git a/src/write_riemann.c b/src/write_riemann.c
index a09c723..328341e 100644 (file)
--- a/src/write_riemann.c
+++ b/src/write_riemann.c
@@ -1051,6 +1051,7 @@ static int riemann_config(oconfig_item_t *ci) /* {{{ */
                        }
                        if ((val = strdup(child->values[1].value.string)) == NULL) {
                                WARNING("cannot allocate memory for attribute value.");
+                               sfree (key);
                                return (-1);
                        }
                        strarray_add(&riemann_attrs, &riemann_attrs_num, key);