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printk: Don't try to parse DEVNAME:0.0 console options

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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 <tony@atomide.com>
Link: https://lore.kernel.org/r/20240327110021.59793-3-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tony Lindgren 2024-03-27 12:59:36 +02:00 committed by Greg Kroah-Hartman
parent f03e8c1060
commit 8a831c584e
1 changed files with 4 additions and 0 deletions
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4
kernel/printk/printk.c
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@ -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.
*/