[PATCH 2/7] USB: ti serial driver sleeps with spinlock held
Greg Kroah-Hartman <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
From: Oliver Neukum <[email protected]> you are submitting an URB with GFP_KERNEL holding a spinlock. In this case the spinlock can be dropped earlier. Signed-off-by: Oliver Neukum <[email protected]> Cc: Al Borchers <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/serial/ti_usb_3410_5052.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 4203e2b..3d505fd 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1555,15 +1555,17 @@ static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty) spin_lock_irqsave(&tport->tp_lock, flags); if (tport->tp_read_urb_state == TI_READ_URB_STOPPED) { + tport->tp_read_urb_state = TI_READ_URB_RUNNING; urb = tport->tp_port->read_urb; + spin_unlock_irqrestore(&tport->tp_lock, flags); urb->complete = ti_bulk_in_callback; urb->context = tport; urb->dev = tport->tp_port->serial->dev; status = usb_submit_urb(urb, GFP_KERNEL); + } else { + tport->tp_read_urb_state = TI_READ_URB_RUNNING; + spin_unlock_irqrestore(&tport->tp_lock, flags); } - tport->tp_read_urb_state = TI_READ_URB_RUNNING; - - spin_unlock_irqrestore(&tport->tp_lock, flags); return status; } -- 1.5.2.2 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel