linux-kernel - [PATCH -next 1/3] staging/fwserial: Destruct embedded tty

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Date:	Tue, 27 Nov 2012 21:37:11 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Hurley <peter@...leysoftware.com>,
	Jiri Slaby <jslaby@...e.cz>, Alan Cox <alan@...ux.intel.com>
Subject: [PATCH -next 1/3] staging/fwserial: Destruct embedded tty_port on teardown

For TTY drivers that manage the port lifetime, the tty_port should
to be specifically destructed when the port lifetime ends. Now that
a method has been added to do this, use it.

Signed-off-by: Peter Hurley <peter@...leysoftware.com>
Cc: Jiri Slaby <jslaby@...e.cz>
Cc: Alan Cox <alan@...ux.intel.com>
---
 drivers/staging/fwserial/fwserial.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c
index 5d4d64a..99a2d2d 100644
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -955,6 +955,7 @@ static void fwserial_destroy(struct kref *kref)
 	for (j = 0; j < num_ports; ++j) {
 		fw_core_remove_address_handler(&ports[j]->rx_handler);
 		dma_fifo_free(&ports[j]->tx_fifo);
+		tty_port_destroy(&ports[j]->port);
 		kfree(ports[j]);
 	}
 	kfree(serial);
@@ -2369,8 +2370,10 @@ unregister_ttys:
 	return err;
 
 free_ports:
-	for (--i; i >= 0; --i)
+	for (--i; i >= 0; --i) {
+		tty_port_destroy(&serial->ports[i]->port);
 		kfree(serial->ports[i]);
+	}
 	kfree(serial);
 	return err;
 }
-- 
1.8.0

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