gc: Don't segfault if gc_realloc() fails.

2014-02-11 15:28:37 +02:00 · 2014-02-11 15:28:37 +02:00 · c0a8374103
commit c0a8374103
parent a075741c90
1 changed files with 3 additions and 0 deletions
--- a/py/gc.c
+++ b/py/gc.c
@ -332,6 +332,9 @@ void *gc_realloc(void *ptr, machine_uint_t n_bytes) {
    } else {
        // TODO check if we can grow inplace
        void *ptr2 = gc_alloc(n_bytes);
+        if (ptr2 == NULL) {
+            return ptr2;
+        }
        memcpy(ptr2, ptr, n_existing);
        gc_free(ptr);
        return ptr2;