X-Git-Url: https://git.karo-electronics.de/?p=metawatch.git;a=blobdiff_plain;f=mw_utility.c;fp=mw_utility.c;h=fa7d3420b5f089c6f9973b570266dead9e0324c6;hp=6d7ab8aac41ffde2eebd25e8310dec0136510654;hb=0100a84c89fc22146d8476d1a55bdbb3109a8bd7;hpb=9e2a8698714da2920e81942eb52c8040fbf73bef

diff --git a/mw_utility.c b/mw_utility.c
index 6d7ab8a..fa7d342 100644
--- a/mw_utility.c
+++ b/mw_utility.c
@@ -155,6 +155,9 @@ void mw_buf_draw_pixel(mw_buffer *mwbuf, unsigned int x, unsigned int y, mw_colo
 	if (clr == MW_TRANSPARENT)
 		return;
 
+	if (x < 0 || x > 128 || y < 0 || y > 128)
+		return;
+
 	*(unsigned char *)(mwbuf->pbuf+((y*mwbuf->res_x)+x)) = clr;
 }