From 4d37d43b7ef88923fb470b527fad3ddcee57e158 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Sun, 10 Jan 2021 21:06:59 +0100
Subject: [PATCH] fix(display): Explicitly free scratch buffer
---
pycardium/modules/sys_display.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/pycardium/modules/sys_display.c b/pycardium/modules/sys_display.c
index fa416dc66..eedeb705e 100644
--- a/pycardium/modules/sys_display.c
+++ b/pycardium/modules/sys_display.c
@@ -119,7 +119,7 @@ static mp_obj_t mp_display_blit(size_t n_args, const mp_obj_t *args)
mp_raise_ValueError("'img' is too small.");
}
- uint16_t *buf;
+ uint16_t *buf = NULL;
if (rgb565) {
buf = (uint16_t *)img.buf;
} else {
@@ -150,6 +150,10 @@ static mp_obj_t mp_display_blit(size_t n_args, const mp_obj_t *args)
res = epic_disp_blit(pos_x, pos_y, width, height, buf, NULL);
}
+ if (buf) {
+ m_free(buf);
+ }
+
if (res < 0) {
mp_raise_OSError(-res);
}
--
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