linux-kernel - [PATCH 3/7] drivers: tty: Check CON_SUSPENDED instead of CON

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Message-Id: <20250606-printk-cleanup-part2-v1-3-f427c743dda0@suse.com>
Date: Fri, 06 Jun 2025 23:53:45 -0300
From: Marcos Paulo de Souza <mpdesouza@...e.com>
To: Petr Mladek <pmladek@...e.com>, Steven Rostedt <rostedt@...dmis.org>, 
 John Ogness <john.ogness@...utronix.de>, 
 Sergey Senozhatsky <senozhatsky@...omium.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, 
 Jason Wessel <jason.wessel@...driver.com>, 
 Daniel Thompson <danielt@...nel.org>, 
 Douglas Anderson <dianders@...omium.org>, 
 Richard Weinberger <richard@....at>, 
 Anton Ivanov <anton.ivanov@...bridgegreys.com>, 
 Johannes Berg <johannes@...solutions.net>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
 kgdb-bugreport@...ts.sourceforge.net, linux-um@...ts.infradead.org, 
 Marcos Paulo de Souza <mpdesouza@...e.com>
Subject: [PATCH 3/7] drivers: tty: Check CON_SUSPENDED instead of
 CON_ENABLED

All consoles found on for_each_console are registered, meaning that all of
them are CON_ENABLED. The code tries to find an active console, so check if the
console is not suspended instead.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@...e.com>
---
 drivers/tty/tty_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index ca9b7d7bad2b6807b29d3768bb655528ea162816..42f81573d8dfc668b38cd0b1c14962a7370cd954 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3570,7 +3570,7 @@ static ssize_t show_cons_active(struct device *dev,
 			continue;
 		if (!(c->flags & CON_NBCON) && !c->write)
 			continue;
-		if ((c->flags & CON_ENABLED) == 0)
+		if (c->flags & CON_SUSPENDED)
 			continue;
 		cs[i++] = c;
 		if (i >= ARRAY_SIZE(cs))

-- 
2.49.0