Re: [PATCH] tty/serial: atmel: use port->name as name in request_irq()

[Sebastian Andrzej Siewior <bigeasy@linutronix.de>]

On 2018-04-26 17:06:25 [+0200], To linux-serial@vger.kernel.org wrote:
> It seems not to happen in v4.1.51 but it happens in v4.9 and v4.17-rc2
> so if it broke accidentally it was not recently.

This is what I used to check:

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -170,7 +170,7 @@ void free_tty_struct(struct tty_struct *tty)
 	put_device(tty->dev);
 	kfree(tty->write_buf);
 	tty->magic = 0xDEADDEAD;
-	kfree(tty);
+	strcpy(tty->name, "GONE");
 }
 
 static inline struct tty_struct *file_tty(struct file *file)

If this is unknown and a bisect is requested, please let me know.

Sebastian