diff options
Diffstat (limited to 'arch/sh/kernel/early_printk.c')
| -rw-r--r-- | arch/sh/kernel/early_printk.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 60340823798..560b91cdd15 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -144,16 +144,16 @@ static struct console *early_console = ; static int __initdata keep_early; +static int early_console_initialized; -int __init setup_early_printk(char *opt) +int __init setup_early_printk(char *buf) { - char *space; - char buf[256]; + if (!buf) + return 0; - strlcpy(buf, opt, sizeof(buf)); - space = strchr(buf, ' '); - if (space) - *space = 0; + if (early_console_initialized) + return 0; + early_console_initialized = 1; if (strstr(buf, "keep")) keep_early = 1; @@ -175,12 +175,14 @@ int __init setup_early_printk(char *opt) if (likely(early_console)) register_console(early_console); - return 1; + return 0; } -__setup("earlyprintk=", setup_early_printk); +early_param("earlyprintk", setup_early_printk); void __init disable_early_printk(void) { + if (!early_console_initialized || !early_console) + return; if (!keep_early) { printk("disabling early console\n"); unregister_console(early_console); |