Commit 2330d0a8 authored by Johan Hovold's avatar Johan Hovold

USB: serial: io_ti: fix I/O after disconnect

Cancel the heartbeat work on driver unbind in order to avoid I/O after
disconnect in case the port is held open.

Note that the cancel in release() is still needed to stop the heartbeat
after late probe errors.

Fixes: 26c78daa ("USB: io_ti: Add heartbeat to keep idle EP/416
ports from disconnecting")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 4f9785cc
...@@ -2590,6 +2590,9 @@ static int edge_startup(struct usb_serial *serial) ...@@ -2590,6 +2590,9 @@ static int edge_startup(struct usb_serial *serial)
static void edge_disconnect(struct usb_serial *serial) static void edge_disconnect(struct usb_serial *serial)
{ {
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
cancel_delayed_work_sync(&edge_serial->heartbeat_work);
} }
static void edge_release(struct usb_serial *serial) static void edge_release(struct usb_serial *serial)
......
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