From 30c7f4f49e603a2f1188ec16ecdda898a013a7c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zolt=C3=A1n=20V=C3=B6r=C3=B6s?= <zvoros@gmail.com>
Date: Sun, 28 Jan 2024 12:41:00 +0100
Subject: [PATCH] fix segmentation fault on temporary buffer

---
 code/utils/utils.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/code/utils/utils.c b/code/utils/utils.c
index 614f4f7e..8477f5de 100644
--- a/code/utils/utils.c
+++ b/code/utils/utils.c
@@ -367,10 +367,13 @@ mp_obj_t utils_spectrogram(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw
         spectrum += spectrum_sz;
     }
 
-    // FIXME:
-    // if(scratchpad_object == mp_const_none) {
-    //     m_del(mp_float_t, tmp, 2 * len);
-    // }
+    if(scratchpad_object == mp_const_none) {
+        tmp -= len;
+        #if ULAB_FFT_IS_NUMPY_COMPATIBLE
+        tmp -= len;
+        #endif
+        m_del(mp_float_t, tmp, 2 * len);
+    }
     return MP_OBJ_FROM_PTR(out);
 }