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| author |   Tony Lindgren <tony@atomide.com> | 2024-03-27 12:59:36 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-09 15:30:13 +0200 |
| commit | 8a831c584e6e80cf68f79893dc395c16cdf47dc8 (patch) | |
| tree | ef5a54ea429ad2e75e94b1f644fd4fc5d822b0ec /kernel/printk/printk.c | |
| parent | printk: Save console options for add_preferred_console_match() (diff) | |
| download | linux-stable-8a831c584e6e80cf68f79893dc395c16cdf47dc8.tar.xz linux-stable-8a831c584e6e80cf68f79893dc395c16cdf47dc8.zip | |
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 <tony@atomide.com>
Link: https://lore.kernel.org/r/20240327110021.59793-3-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/printk/printk.c')
| -rw-r--r-- | kernel/printk/printk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 05919491c5a2..67937e5c6010 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. */ |