Commit 8a831c58 authored by Tony Lindgren's avatar Tony Lindgren Committed by Greg Kroah-Hartman
Browse files

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: default avatarTony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20240327110021.59793-3-tony@atomide.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f03e8c10

kernel/printk/printk.c

+4 −0
Original line number Diff line number Diff line
@@ -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.

	 */