X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_rpncalc.c;h=dca2ae13d45675fd30f4a783b3c31f30f8dc29a2;hp=e392a656bb95163bf7116d5a00014445f5be01d5;hb=096bb3f53482c95c3d2dd09e8c7b2329f6c1c2ff;hpb=3790ee46225952fe7410343ecc4b9702cf70e421

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index e392a65..dca2ae1 100644
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -72,8 +72,10 @@ 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 = rpnc[i].op;
         if (rpnp[i].op == OP_NUMBER) {