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-rw-r--r--commit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/commit.c b/commit.c
index e867b86..edd4ded 100644
--- a/commit.c
+++ b/commit.c
@@ -560,6 +560,9 @@ void sort_in_topological_order(struct commit_list ** list)
next = next->next;
count++;
}
+
+ if (!count)
+ return;
/* allocate an array to help sort the list */
nodes = xcalloc(count, sizeof(*nodes));
/* link the list to the array */