diff options
Diffstat (limited to 'drivers/tty/vt/vt.c')
| -rw-r--r-- | drivers/tty/vt/vt.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 0b669c82ddc9..981d2bfcf9a5 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -154,10 +154,10 @@ static void console_callback(struct work_struct *ignored); static void con_driver_unregister_callback(struct work_struct *ignored); static void blank_screen_t(struct timer_list *unused); static void set_palette(struct vc_data *vc); +static void unblank_screen(void); #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1) -static int printable; /* Is console ready for printing? */ int default_utf8 = true; module_param(default_utf8, int, S_IRUGO | S_IWUSR); int global_cursor_default = -1; @@ -3084,9 +3084,9 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) ushort start_x, cnt; int kmsg_console; - /* console busy or not yet initialized */ - if (!printable) - return; + WARN_CONSOLE_UNLOCKED(); + + /* this protects against concurrent oops only */ if (!spin_trylock(&printing_lock)) return; @@ -3537,7 +3537,6 @@ static int __init con_init(void) pr_info("Console: %s %s %dx%d\n", vc->vc_can_do_color ? "colour" : "mono", display_desc, vc->vc_cols, vc->vc_rows); - printable = 1; console_unlock(); @@ -4452,7 +4451,7 @@ EXPORT_SYMBOL(do_unblank_screen); * call it with 1 as an argument and so force a mode restore... that may kill * X or at least garbage the screen but would also make the Oops visible... */ -void unblank_screen(void) +static void unblank_screen(void) { do_unblank_screen(0); } |