diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 19:22:23 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 19:22:23 +0100 |
commit | d19f1d44e74322ae2a75dc07b7d44fecacd5bcfb (patch) | |
tree | ee8127be714d3ed59b31266aaaee2fb1d17a815a /drivers/usb/serial | |
parent | abb0b3d96a1f9407dd66831ae33985a386d4200d (diff) | |
parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) |
Merge 5.4-rc5 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r-- | drivers/usb/serial/ti_usb_3410_5052.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index dd0ad67aa71e..ef23acc9b9ce 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -776,7 +776,6 @@ static void ti_close(struct usb_serial_port *port) struct ti_port *tport; int port_number; int status; - int do_unlock; unsigned long flags; tdev = usb_get_serial_data(port->serial); @@ -800,16 +799,13 @@ static void ti_close(struct usb_serial_port *port) "%s - cannot send close port command, %d\n" , __func__, status); - /* if mutex_lock is interrupted, continue anyway */ - do_unlock = !mutex_lock_interruptible(&tdev->td_open_close_lock); - --tport->tp_tdev->td_open_port_count; - if (tport->tp_tdev->td_open_port_count <= 0) { + mutex_lock(&tdev->td_open_close_lock); + --tdev->td_open_port_count; + if (tdev->td_open_port_count == 0) { /* last port is closed, shut down interrupt urb */ usb_kill_urb(port->serial->port[0]->interrupt_in_urb); - tport->tp_tdev->td_open_port_count = 0; } - if (do_unlock) - mutex_unlock(&tdev->td_open_close_lock); + mutex_unlock(&tdev->td_open_close_lock); } |