diff mbox series

[printk,v4,25/39] tty: serial: earlycon: use console_is_registered()

Message ID 20221114162932.141883-26-john.ogness@linutronix.de
State New
Headers
Series reduce console_lock scope |

Commit Message

John Ogness Nov. 14, 2022, 4:29 p.m. UTC 
  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: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
---
 drivers/tty/serial/earlycon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index a5f380584cda..4f6e9bf57169 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -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);