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-rw-r--r--drivers/usb/class/cdc-acm.c7
-rw-r--r--drivers/usb/class/cdc-acm.h2
-rw-r--r--drivers/usb/class/cdc-wdm.c2
-rw-r--r--drivers/usb/class/usbtmc.c2
4 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f492a7f2b6e..e057e538146 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -297,6 +297,8 @@ static void acm_ctrl_irq(struct urb *urb)
if (!ACM_READY(acm))
goto exit;
+ usb_mark_last_busy(acm->dev);
+
data = (unsigned char *)(dr + 1);
switch (dr->bNotificationType) {
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
@@ -336,7 +338,6 @@ static void acm_ctrl_irq(struct urb *urb)
break;
}
exit:
- usb_mark_last_busy(acm->dev);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(&urb->dev->dev, "%s - usb_submit_urb failed with "
@@ -533,6 +534,8 @@ static void acm_softint(struct work_struct *work)
if (!ACM_READY(acm))
return;
tty = tty_port_tty_get(&acm->port);
+ if (!tty)
+ return;
tty_wakeup(tty);
tty_kref_put(tty);
}
@@ -646,8 +649,10 @@ static void acm_port_down(struct acm *acm)
usb_kill_urb(acm->ctrlurb);
for (i = 0; i < ACM_NW; i++)
usb_kill_urb(acm->wb[i].urb);
+ tasklet_disable(&acm->urb_task);
for (i = 0; i < nr; i++)
usb_kill_urb(acm->ru[i].urb);
+ tasklet_enable(&acm->urb_task);
acm->control->needs_remote_wakeup = 0;
usb_autopm_put_interface(acm->control);
}
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 5eeb570b9a6..b4ea54dbf32 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -52,7 +52,7 @@
*/
/*
- * The only reason to have several buffers is to accomodate assumptions
+ * The only reason to have several buffers is to accommodate assumptions
* in line disciplines. They ask for empty space amount, receive our URB size,
* and proceed to issue several 1-character writes, assuming they will fit.
* The very first write takes a complete URB. Fortunately, this only happens
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 47085e5879a..a97c018dd41 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -281,7 +281,7 @@ static void cleanup(struct wdm_device *desc)
desc->sbuf,
desc->validity->transfer_dma);
usb_free_coherent(interface_to_usbdev(desc->intf),
- desc->wMaxCommand,
+ desc->bMaxPacketSize0,
desc->inbuf,
desc->response->transfer_dma);
kfree(desc->orq);
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 6a54634ab82..385acb895ab 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -483,7 +483,7 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf,
}
done += n_characters;
- /* Terminate if end-of-message bit recieved from device */
+ /* Terminate if end-of-message bit received from device */
if ((buffer[8] & 0x01) && (actual >= n_characters + 12))
remaining = 0;
else