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[PATCH v2 4/4] cdc-acm: remove unused element of struct acm




write_used was introduced with commit 884b600f63dc ("[PATCH] USB: fix acm
trouble with terminals") but never used since.

Signed-off-by: Tobias Herzog <t-herzog@xxxxxx>
---
 drivers/usb/class/cdc-acm.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index b519138..7a2b3de 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -101,7 +101,6 @@ struct acm {
 	u8 *notification_buffer;			/* to reassemble fragmented notifications */
 	unsigned int nb_index;
 	unsigned int nb_size;
-	int write_used;					/* number of non-empty write buffers */
 	int transmitting;
 	spinlock_t write_lock;
 	struct mutex mutex;
-- 
2.1.4