diff options
-rw-r--r-- | src/tsort.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tsort.c b/src/tsort.c index 0b36a3368..f26cfa395 100644 --- a/src/tsort.c +++ b/src/tsort.c @@ -315,7 +315,7 @@ scan_zeros (struct item *k) static void detect_loop (struct item *k) { - if (k->count > 0) + if (k->count > 0 && k->top) { while (k && k->count > 0) { |