Commit 6e35d977 authored by John Ogness's avatar John Ogness Committed by Petr Mladek
Browse files

tty: serial: earlycon: use console_is_registered() 



It is not reliable to check for CON_ENABLED in order to identify if a
console is registered. Use console_is_registered() instead.

Signed-off-by: default avatarJohn Ogness <john.ogness@linutronix.de>
Reviewed-by: default avatarPetr Mladek <pmladek@suse.com>
Signed-off-by: default avatarPetr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20221116162152.193147-27-john.ogness@linutronix.de
parent 34d9541e

drivers/tty/serial/earlycon.c

+2 −2
Original line number Diff line number Diff line
@@ -181,7 +181,7 @@ int __init setup_earlycon(char *buf) 
	if (!buf || !buf[0])

		return -EINVAL;



	if (early_con.flags & CON_ENABLED)

	if (console_is_registered(&early_con))

		return -EALREADY;



again:
@@ -253,7 +253,7 @@ int __init of_setup_earlycon(const struct earlycon_id *match, 
	bool big_endian;

	u64 addr;



	if (early_con.flags & CON_ENABLED)

	if (console_is_registered(&early_con))

		return -EALREADY;



	spin_lock_init(&port->lock);