From 221b05e7a86faa38036429d5fbfc8b0779eb5382 Mon Sep 17 00:00:00 2001
From: Matthew Sotoudeh <matthew@masot.net>
Date: Fri, 17 May 2024 15:39:56 -0700
Subject: fix bug

---
 magic_buddy/magic_buddy.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'magic_buddy')

diff --git a/magic_buddy/magic_buddy.c b/magic_buddy/magic_buddy.c
index 1029f58..15bd23f 100644
--- a/magic_buddy/magic_buddy.c
+++ b/magic_buddy/magic_buddy.c
@@ -87,6 +87,7 @@ static void *_allocate(size_t logsize, struct buddy *state) {
     if (logsize == state->root_logsize) return 0;
 
     struct free_block *parent = _allocate(logsize + 1, state);
+    if (!parent) return 0;
     struct free_block *buddy = buddy_of(parent, logsize, state);
     // split @parent in half and place the buddy on the avail list.
     memcpy(buddy->magic, state->magic, sizeof(state->magic));
-- 
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