when using CDEF datasources in rrd, the rpnp in process_pdp_st (allocated in rpn_expa...

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.3@2073 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_rpncalc.c b/program/src/rrd_rpncalc.c
index 7519a025278bccf9e204268d6babbdbd77c3c38b..d46de8067017ae22152175174166511775899a2b 100644 (file)
--- a/program/src/rrd_rpncalc.c
+++ b/program/src/rrd_rpncalc.c
@@ -74,8 +74,10 @@ rpnp_t   *rpn_expand(
     /* DS_CDEF_MAX_RPN_NODES is small, so at the expense of some wasted
      * memory we avoid any reallocs */
     rpnp = (rpnp_t *) calloc(DS_CDEF_MAX_RPN_NODES, sizeof(rpnp_t));
-    if (rpnp == NULL)
+    if (rpnp == NULL) {
+        rrd_set_error("failed allocating rpnp array");
         return NULL;
+    }
     for (i = 0; rpnc[i].op != OP_END; ++i) {
         rpnp[i].op = (enum op_en) rpnc[i].op;
         if (rpnp[i].op == OP_NUMBER) {

diff --git a/program/src/rrd_update.c b/program/src/rrd_update.c
index 37da5eda37a0d3827cff401b8830126b008a9b5d..200f412071b42e75688b40b13139df15d5213d75 100644 (file)
--- a/program/src/rrd_update.c
+++ b/program/src/rrd_update.c
@@ -1333,6 +1333,10 @@ static int process_pdp_st(
 
         rpnp =
             rpn_expand((rpn_cdefds_t *) &(rrd->ds_def[ds_idx].par[DS_cdef]));
+        if(rpnp == NULL) {
+          rpnstack_free(&rpnstack);
+          return -1;
+        }
         /* substitute data values for OP_VARIABLE nodes */
         for (i = 0; rpnp[i].op != OP_END; i++) {
             if (rpnp[i].op == OP_VARIABLE) {
@@ -1346,6 +1350,7 @@ static int process_pdp_st(
             rpnstack_free(&rpnstack);
             return -1;
         }
+        free(rpnp);
     }
 
     /* make pdp_prep ready for the next run */