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authorJohan Hovold <jhovold@gmail.com>2013-03-21 11:37:40 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-25 20:54:31 (GMT)
commit5813f281bba6603bed52d6005a9d6a9f23f5c061 (patch)
tree62b75f610dc100ece9e249f0f7a07f59f22bdff0 /drivers/usb/serial/metro-usb.c
parent9fcb2e6e7e34e3ca6a6f364a1d65279e44749e07 (diff)
downloadlinux-5813f281bba6603bed52d6005a9d6a9f23f5c061.tar.xz
USB: metro-usb: always disable uart on close
Always try to disable the uart on close. Since the switch to tty ports, close will be called as part of shutdown before disconnect returns. Hence there is no need to check the disconnected flag, and we can put devices in disabled states also on driver unbind. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/metro-usb.c')
-rw-r--r--drivers/usb/serial/metro-usb.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index bf3c7a2..47e2477 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -177,10 +177,7 @@ static void metrousb_cleanup(struct usb_serial_port *port)
usb_unlink_urb(port->interrupt_in_urb);
usb_kill_urb(port->interrupt_in_urb);
- mutex_lock(&port->serial->disc_mutex);
- if (!port->serial->disconnected)
- metrousb_send_unidirectional_cmd(UNI_CMD_CLOSE, port);
- mutex_unlock(&port->serial->disc_mutex);
+ metrousb_send_unidirectional_cmd(UNI_CMD_CLOSE, port);
}
static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port)