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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, kernel test robot <lkp@intel.com>,
        Johan Hovold <johan@kernel.org>
Subject: [PATCH 5.4 75/92] USB: serial: keyspan_pda: remove unused variable
Date:   Mon, 11 Jan 2021 14:02:19 +0100
Message-Id: <20210111130042.768400152@linuxfoundation.org>
In-Reply-To: <20210111130039.165470698@linuxfoundation.org>
References: <20210111130039.165470698@linuxfoundation.org>
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From: Johan Hovold <johan@kernel.org>

Remove an unused variable which was mistakingly left by commit
37faf5061541 ("USB: serial: keyspan_pda: fix write-wakeup
use-after-free") and only removed by a later change.

This is needed to suppress a W=1 warning about the unused variable in
the stable trees that the build bots triggers.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/serial/keyspan_pda.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -555,10 +555,8 @@ exit:
 static void keyspan_pda_write_bulk_callback(struct urb *urb)
 {
 	struct usb_serial_port *port = urb->context;
-	struct keyspan_pda_private *priv;
 
 	set_bit(0, &port->write_urbs_free);
-	priv = usb_get_serial_port_data(port);
 
 	/* queue up a wakeup at scheduler time */
 	usb_serial_port_softint(port);