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path: root/drivers/usb/class
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-rw-r--r--drivers/usb/class/cdc-acm.c9
-rw-r--r--drivers/usb/class/usbtmc.c3
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 20104443081..d50a99f70ae 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -158,16 +158,12 @@ static int acm_wb_is_avail(struct acm *acm)
}
/*
- * Finish write.
+ * Finish write. Caller must hold acm->write_lock
*/
static void acm_write_done(struct acm *acm, struct acm_wb *wb)
{
- unsigned long flags;
-
- spin_lock_irqsave(&acm->write_lock, flags);
wb->use = 0;
acm->transmitting--;
- spin_unlock_irqrestore(&acm->write_lock, flags);
}
/*
@@ -482,6 +478,7 @@ static void acm_write_bulk(struct urb *urb)
{
struct acm_wb *wb = urb->context;
struct acm *acm = wb->instance;
+ unsigned long flags;
if (verbose || urb->status
|| (urb->actual_length != urb->transfer_buffer_length))
@@ -490,7 +487,9 @@ static void acm_write_bulk(struct urb *urb)
urb->transfer_buffer_length,
urb->status);
+ spin_lock_irqsave(&acm->write_lock, flags);
acm_write_done(acm, wb);
+ spin_unlock_irqrestore(&acm->write_lock, flags);
if (ACM_READY(acm))
schedule_work(&acm->work);
else
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 543811f6e6e..43a863c5cc4 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -51,6 +51,7 @@ static struct usb_device_id usbtmc_devices[] = {
{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
{ 0, } /* terminating entry */
};
+MODULE_DEVICE_TABLE(usb, usbtmc_devices);
/*
* This structure is the capabilities for the device
@@ -133,7 +134,7 @@ static int usbtmc_release(struct inode *inode, struct file *file)
static int usbtmc_ioctl_abort_bulk_in(struct usbtmc_device_data *data)
{
- char *buffer;
+ u8 *buffer;
struct device *dev;
int rv;
int n;