linux-kernel - [PATCH 7/7] printk: Don't check for CON_ENABLED on console

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Message-Id: <20250606-printk-cleanup-part2-v1-7-f427c743dda0@suse.com>
Date: Fri, 06 Jun 2025 23:53:49 -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 7/7] printk: Don't check for CON_ENABLED on console_unblank

All consoles found on for_each_console_srcu are registered, meaning that all of
them are already CON_ENABLEDed.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@...e.com>
---
 kernel/printk/printk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 658acf92aa3d2a3d1e294b7e17e5ee96d8169afe..8074a0f73691cfc5f637361048097ace1545c7c0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3360,7 +3360,7 @@ void console_unblank(void)
 		if (flags & CON_SUSPENDED)
 			continue;
 
-		if ((flags & CON_ENABLED) && c->unblank) {
+		if (c->unblank) {
 			found_unblank = true;
 			break;
 		}
@@ -3402,7 +3402,7 @@ void console_unblank(void)
 		if (flags & CON_SUSPENDED)
 			continue;
 
-		if ((flags & CON_ENABLED) && c->unblank)
+		if (c->unblank)
 			c->unblank();
 	}
 	console_srcu_read_unlock(cookie);

-- 
2.49.0