Dont bother allocating iterator if there's no data to iterate

diff --git a/lib/rpmps.c b/lib/rpmps.c
index c19c490..cf2275d 100644 (file)
--- a/lib/rpmps.c
+++ b/lib/rpmps.c
@@ -67,7 +67,7 @@ int rpmpsNumProblems(rpmps ps)
 rpmpsi rpmpsInitIterator(rpmps ps)
 {
     rpmpsi psi = NULL;
-    if (ps != NULL) {
+    if (ps != NULL && ps->numProblems > 0) {
        psi = xcalloc(1, sizeof(*psi));
        psi->ps = rpmpsLink(ps);
        psi->ix = -1;