Remove private zombie flag used to signal disconnect and to prevent
control urb from being submitted from interrupt urb completion handler.
The control urb will not be re-submitted as both the control urb and the
interrupt urb is killed on disconnect.
Signed-off-by: Johan Hovold <jhov...@gmail.com>
---
drivers/usb/serial/mos7840.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index f2c4bb7..84f8c10 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -222,7 +222,6 @@ struct moschip_port {
__u8 shadowMCR; /* last MCR value received */
char open;
char open_ports;
- char zombie;
wait_queue_head_t wait_chase; /* for handling sleeping while waiting
for chase to finish */
wait_queue_head_t delta_msr_wait; /* for handling sleeping while
waiting for msr change to happen */
int delta_msr_cond;
@@ -674,14 +673,7 @@ static void mos7840_interrupt_callback(struct urb *urb)
wreg = MODEM_STATUS_REGISTER;
break;
}
- spin_lock(&mos7840_port->pool_lock);
- if (!mos7840_port->zombie) {
- rv = mos7840_get_reg(mos7840_port,
wval, wreg, &Data);
- } else {
- spin_unlock(&mos7840_port->pool_lock);
- return;
- }
- spin_unlock(&mos7840_port->pool_lock);
+ rv = mos7840_get_reg(mos7840_port, wval, wreg,
&Data);
}
}
}
@@ -2598,9 +2590,6 @@ static void mos7840_disconnect(struct usb_serial *serial)
for (i = 0; i < serial->num_ports; ++i) {
mos7840_port = mos7840_get_port_private(serial->port[i]);
if (mos7840_port) {
- spin_lock_irqsave(&mos7840_port->pool_lock, flags);
- mos7840_port->zombie = 1;
- spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
usb_kill_urb(mos7840_port->control_urb);
}
}
--
1.7.12.4
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