[PATCH 4/7] drivers: serial: kgdboc: Check CON_SUSPENDED instead of CON_ENABLED

Marcos Paulo de Souza mpdesouza at suse.com
Fri Jun 6 19:53:46 PDT 2025


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 at suse.com>
---
 drivers/tty/serial/kgdboc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index 85f6c5a76e0fff556f86f0d45ebc5aadf5b191e8..af6d2208b8ddb82d62f33292b006b2923583a0d2 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -577,7 +577,8 @@ static int __init kgdboc_earlycon_init(char *opt)
 	console_list_lock();
 	for_each_console(con) {
 		if (con->write && con->read &&
-		    (con->flags & (CON_BOOT | CON_ENABLED)) &&
+		    (con->flags & CON_BOOT) &&
+		    ((con->flags & CON_SUSPENDED) == 0) &&
 		    (!opt || !opt[0] || strcmp(con->name, opt) == 0))
 			break;
 	}

-- 
2.49.0




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