fix kernel video driver

diff --git a/Kernel/platform-coco3/video.c b/Kernel/platform-coco3/video.c
index db0aff2..fe4f029 100644 (file)
--- a/Kernel/platform-coco3/video.c
+++ b/Kernel/platform-coco3/video.c
@@ -165,7 +165,7 @@ int gfx_draw_op(uarg_t arg, char *ptr)
                        break;
                }
                l -= 8;
-               if (p[0] > 191 || p[1] > 31 || p[2] > 191 || p[3] > 31 ||
+               if (p[0] > 191 || p[1] > 31 || p[2] > 192 || p[3] > 32 ||
                    p[0] + p[2] > 192 || p[1] + p[3] > 32 ||
                    (p[2] * p[3]) > l) {
                        err = -EFAULT;