From: Tony Lindgren Date: Wed, 27 Mar 2024 10:59:36 +0000 (+0200) Subject: printk: Don't try to parse DEVNAME:0.0 console options X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8a831c584e6e80cf68f79893dc395c16cdf47dc8;p=linux.git printk: Don't try to parse DEVNAME:0.0 console options Currently console_setup() tries to make a console index out of any digits passed in the kernel command line for console. In the DEVNAME:0.0 case, the name can contain a device IO address, so bail out on console names with a ':'. Signed-off-by: Tony Lindgren Link: https://lore.kernel.org/r/20240327110021.59793-3-tony@atomide.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 05919491c5a20..67937e5c6010f 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2504,6 +2504,10 @@ static int __init console_setup(char *str) if (console_opt_save(str, brl_options)) return 1; + /* Don't attempt to parse a DEVNAME:0.0 style console */ + if (strchr(str, ':')) + return 1; + /* * Decode str into name, index, options. */