[PATCH printk v4 24/39] tty: hvc: use console_is_registered()

From: John Ogness
Date: Mon Nov 14 2022 - 11:31:13 EST


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@xxxxxxxxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
---
drivers/tty/hvc/hvc_console.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 4802cfaa107f..a683e21df19c 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -264,8 +264,8 @@ static void hvc_port_destruct(struct tty_port *port)

static void hvc_check_console(int index)
{
- /* Already enabled, bail out */
- if (hvc_console.flags & CON_ENABLED)
+ /* Already registered, bail out */
+ if (console_is_registered(&hvc_console))
return;

/* If this index is what the user requested, then register
--
2.30.2