Commit dbd4f128 authored by Michal Januszewski's avatar Michal Januszewski Committed by Linus Torvalds
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[PATCH] fbcon: don't repaint the cursor when it is disabled.

Currently even when the cursor is disabled (`setterm -cursor off`), it is
still repainted as a black rectangle the size of a single char.  This can
be seen, for example, by chvt'ing to a free tty, disabling the cursor and
doing `dd if=3D/dev/urandom of=3D/dev/fb0`.

The patch changes this behaviour by avoiding painting anything when the
cursor is disabled.
Signed-off-by: default avatarMichal Januszewski <>
Cc: <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent d2102247
......@@ -275,7 +275,8 @@ static void fb_flashcursor(void *private)
if (!vc || !CON_IS_VISIBLE(vc) ||
fbcon_is_inactive(vc, info) ||
registered_fb[con2fb_map[vc->vc_num]] != info)
registered_fb[con2fb_map[vc->vc_num]] != info ||
vc_cons[ops->currcon].d->vc_deccm != 1)
p = &fb_display[vc->vc_num];
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