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| author | Andre Kalb <andre.kalb@sma.de> | 2022-02-16 11:41:38 +0100 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2022-02-21 15:52:08 +0100 |
| commit | a5a763b2b26678f1e01b2d031819b175d8f14555 (patch) | |
| tree | fbad2042c0abcaf53998c5647bf678213ca344ae /kernel/printk | |
| parent | Docs: printk: add 'console=null|""' to admin/kernel-parameters (diff) | |
| download | linux-a5a763b2b26678f1e01b2d031819b175d8f14555.tar.xz linux-a5a763b2b26678f1e01b2d031819b175d8f14555.zip | |
printk: Set console_set_on_cmdline=1 when __add_preferred_console() is called with user_specified == true
In case of using console="" or console=null
set console_set_on_cmdline=1 to disable "stdout-path" node from DT.
We basically need to set it every time when __add_preferred_console()
is called with parameter 'user_specified' set.
Therefore we can move setting it into a helper function that is
called from __add_preferred_console().
Suggested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Andre Kalb <andre.kalb@sma.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/YgzU4ho8l6XapyG2@pc6682
Diffstat (limited to 'kernel/printk')
| -rw-r--r-- | kernel/printk/printk.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 25dce8b74791..266cc974b0e3 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2323,6 +2323,20 @@ asmlinkage __visible void early_printk(const char *fmt, ...) } #endif +static void set_user_specified(struct console_cmdline *c, bool user_specified) +{ + if (!user_specified) + return; + + /* + * @c console was defined by the user on the command line. + * Do not clear when added twice also by SPCR or the device tree. + */ + c->user_specified = true; + /* At least one console defined by the user on the command line. */ + console_set_on_cmdline = 1; +} + static int __add_preferred_console(char *name, int idx, char *options, char *brl_options, bool user_specified) { @@ -2339,8 +2353,7 @@ static int __add_preferred_console(char *name, int idx, char *options, if (strcmp(c->name, name) == 0 && c->index == idx) { if (!brl_options) preferred_console = i; - if (user_specified) - c->user_specified = true; + set_user_specified(c, user_specified); return 0; } } @@ -2350,7 +2363,7 @@ static int __add_preferred_console(char *name, int idx, char *options, preferred_console = i; strlcpy(c->name, name, sizeof(c->name)); c->options = options; - c->user_specified = user_specified; + set_user_specified(c, user_specified); braille_set_options(c, brl_options); c->index = idx; @@ -2416,7 +2429,6 @@ static int __init console_setup(char *str) *s = 0; __add_preferred_console(buf, idx, options, brl_options, true); - console_set_on_cmdline = 1; return 1; } __setup("console=", console_setup); |