printk: Export match_devname_and_update_preferred_console()

When building serial_base as a module, modpost fails with the following
error message:

  ERROR: modpost: "match_devname_and_update_preferred_console"
  [drivers/tty/serial/serial_base.ko] undefined!

Export the symbol to allow using it from modules.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409071312.qlwtTOS1-lkp@intel.com/
Fixes: 12c91cec31 ("serial: core: Add serial_base_match_and_update_preferred_console()")
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Link: https://lore.kernel.org/r/20240909075652.747370-1-liaoyu15@huawei.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Yu Liao 2024-09-09 15:56:52 +08:00 committed by Petr Mladek
parent bcc954c6ca
commit 3e5b2e81f1

View file

@ -2620,6 +2620,7 @@ int match_devname_and_update_preferred_console(const char *devname,
return -ENOENT;
}
EXPORT_SYMBOL_GPL(match_devname_and_update_preferred_console);
bool console_suspend_enabled = true;
EXPORT_SYMBOL(console_suspend_enabled);