misc/tst-tsearch: Additional explicit error checking

This avoids an undefined variable warning with certain GCC versions.

diff --git a/ChangeLog b/ChangeLog
index 2d1907b..3c4dcb3 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-03  Florian Weimer  <fweimer@redhat.com>
+
+       * misc/tst-tsearch.c (walk_tree): Add more error checking.
+
 2019-05-02  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 
        [BZ #24506]

diff --git a/misc/tst-tsearch.c b/misc/tst-tsearch.c
index 9a570dd..44895d4 100644 (file)
--- a/misc/tst-tsearch.c
+++ b/misc/tst-tsearch.c
@@ -223,8 +223,10 @@ walk_tree (void *root, int expected_count)
   size_t first_list_size;
   struct walk_trace_element *first_list
     = walk_trace_finalize (&walk_trace, &first_list_size);
+  TEST_VERIFY_EXIT (first_list != NULL);
 
   walk_tree_with (root, expected_count, twalk_with_twalk_r);
+  TEST_VERIFY (!walk_trace_has_failed (&walk_trace));
 
   /* Compare the two traces.  */
   TEST_COMPARE (first_list_size, walk_trace_size (&walk_trace));