don't gc_free() ringbuf if no heap

dhalbert · dhalbert · commit 9ee6ec66fb50 · 2022-03-29T21:53:59.000-04:00
diff --git a/py/ringbuf.c b/py/ringbuf.c
@@ -48,7 +48,8 @@ bool ringbuf_alloc(ringbuf_t *r, size_t capacity, bool long_lived) {
 }
 
 void ringbuf_free(ringbuf_t *r) {
-    if (r->heap) {
+    if (r->heap && gc_alloc_possible()) {
+        // Only free if on the heap, and there is really a heap.
         gc_free(r->buf);
     }
     r->buf = (uint8_t *)NULL;

Original file line number	Diff line number	Diff line change
`@@ -48,7 +48,8 @@ bool ringbuf_alloc(ringbuf_t *r, size_t capacity, bool long_lived) {`
`48`	`48`	`}`
`49`	`49`
`50`	`50`	`void ringbuf_free(ringbuf_t *r) {`
`51`		`- if (r->heap) {`
	`51`	`+ if (r->heap && gc_alloc_possible()) {`
	`52`	`+ // Only free if on the heap, and there is really a heap.`
`52`	`53`	`gc_free(r->buf);`
`53`	`54`	`}`
`54`	`55`	`r->buf = (uint8_t *)NULL;`