diff options
| -rw-r--r-- | kernel/printk.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 5c7c325..8451dfc 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1085,10 +1085,12 @@ EXPORT_SYMBOL(unregister_console); static int __init disable_boot_consoles(void) { - if (console_drivers->flags & CON_BOOT) { - printk(KERN_INFO "turn off boot console %s%d\n", - console_drivers->name, console_drivers->index); - return unregister_console(console_drivers); + if (console_drivers != NULL) { + if (console_drivers->flags & CON_BOOT) { + printk(KERN_INFO "turn off boot console %s%d\n", + console_drivers->name, console_drivers->index); + return unregister_console(console_drivers); + } } return 0; } |
