diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index d0df95346ab3..85351a12c85d 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2213,8 +2213,15 @@ static int __init console_setup(char *str) char *s, *options, *brl_options = NULL; int idx; - if (str[0] == 0) + /* + * console="" or console=null have been suggested as a way to + * disable console output. Use ttynull that has been created + * for exacly this purpose. + */ + if (str[0] == 0 || strcmp(str, "null") == 0) { + __add_preferred_console("ttynull", 0, NULL, NULL, true); return 1; + } if (_braille_console_setup(&str, &brl_options)) return 1;