1 files changed, 4 insertions, 0 deletions
diff --git a/wk5/lect/list.c b/wk5/lect/list.c
index 6b343c5..5ccfe7f 100644
--- a/wk5/lect/list.c
+++ b/wk5/lect/list.c
@@ -14,6 +14,10 @@ int main(void)
     list[2] = 3;
 
     int *tmp = malloc(4 * sizeof(int));
+    if (list == NULL)
+    {
+        return 1;
+    }
 
     for (int i = 0; i < 3; i++)
     {