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

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Message-Id: <1489522489-6233-4-git-send-email-t-herzog@gmx.de>
Date:   Tue, 14 Mar 2017 21:14:49 +0100
From:   Tobias Herzog <t-herzog@....de>
To:     oneukum@...e.com
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 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@....de>
---
 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 bc07fb2..a916c62 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -100,7 +100,6 @@ struct acm {
 	spinlock_t read_lock;
 	u8 *notification_buffer;			/* to reassemble fragmented notifications */
 	unsigned int nb_index;
-	int write_used;					/* number of non-empty write buffers */
 	int transmitting;
 	spinlock_t write_lock;
 	struct mutex mutex;
-- 
2.1.4