fix(lab02): avoid to free a null pointer

2026-03-31 21:06:05 +02:00
parent a6ef142912
commit e4089d2e05
1 changed files with 3 additions and 1 deletions
--- a/src/01-skeleton/s02e04-dynamic_allocation.c
+++ b/src/01-skeleton/s02e04-dynamic_allocation.c
@@ -49,7 +49,9 @@ void dynAlloc_exit(void) {
        e = list_entry(list_unique_elements.next, struct element, node);
        pr_info ("delete element %d: %s\n", e->unique_number, e->text);
        list_del(&e->node);
-        kfree(e);
+        if (e != 0) {
+            kfree(e);
+        }
    }

    pr_info("Memory allocated for dynamic allocation and linked list freed\n");