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-rw-r--r--sys/dev/cons/cons.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/cons/cons.c b/sys/dev/cons/cons.c
index 76f71a7..4c83c62 100644
--- a/sys/dev/cons/cons.c
+++ b/sys/dev/cons/cons.c
@@ -51,8 +51,11 @@ cons_render_char(struct cons_screen *scr, char c, uint32_t x, uint32_t y)
size_t idx;
const uint8_t *glyph;
- glyph = &CONS_FONT[(int)c*16];
+ if (scr->fb_mem == NULL) {
+ return;
+ }
+ glyph = &CONS_FONT[(int)c*16];
for (uint32_t cy = 0; cy < FONT_HEIGHT; ++cy) {
for (uint32_t cx = 0; cx < FONT_WIDTH; ++cx) {
idx = fbdev_get_index(&scr->fbdev, x+FONT_WIDTH-cx, y+cy);