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path: root/drivers/usb/class/cdc-acm.h
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Diffstat (limited to 'drivers/usb/class/cdc-acm.h')
-rw-r--r--drivers/usb/class/cdc-acm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 94266362ca6..1f95e7aa1b6 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -113,6 +113,7 @@ struct acm {
struct usb_cdc_line_coding line; /* bits, stop, parity */
struct work_struct work; /* work queue entry for line discipline waking up */
struct work_struct waker;
+ wait_queue_head_t drain_wait; /* close processing */
struct tasklet_struct urb_task; /* rx processing */
spinlock_t throttle_lock; /* synchronize throtteling and read callback */
unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */