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path: root/drivers/usb/class/cdc-acm.c
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Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index bc03b0a690b4..9ede35cecb12 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -310,17 +310,17 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf)
if (difference & ACM_CTRL_DSR)
acm->iocount.dsr++;
- if (difference & ACM_CTRL_BRK)
- acm->iocount.brk++;
- if (difference & ACM_CTRL_RI)
- acm->iocount.rng++;
if (difference & ACM_CTRL_DCD)
acm->iocount.dcd++;
- if (difference & ACM_CTRL_FRAMING)
+ if (newctrl & ACM_CTRL_BRK)
+ acm->iocount.brk++;
+ if (newctrl & ACM_CTRL_RI)
+ acm->iocount.rng++;
+ if (newctrl & ACM_CTRL_FRAMING)
acm->iocount.frame++;
- if (difference & ACM_CTRL_PARITY)
+ if (newctrl & ACM_CTRL_PARITY)
acm->iocount.parity++;
- if (difference & ACM_CTRL_OVERRUN)
+ if (newctrl & ACM_CTRL_OVERRUN)
acm->iocount.overrun++;
spin_unlock_irqrestore(&acm->read_lock, flags);
@@ -355,7 +355,6 @@ static void acm_ctrl_irq(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- acm->nb_index = 0;
dev_dbg(&acm->control->dev,
"%s - urb shutting down with status: %d\n",
__func__, status);
@@ -1642,6 +1641,7 @@ static int acm_pre_reset(struct usb_interface *intf)
struct acm *acm = usb_get_intfdata(intf);
clear_bit(EVENT_RX_STALL, &acm->flags);
+ acm->nb_index = 0; /* pending control transfers are lost */
return 0;
}