linux-kernel - [PATCH] usb: xhci: dbc: remove redundant pointer dbc

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Message-Id: <20180713094807.20670-1-colin.king@canonical.com>
Date:   Fri, 13 Jul 2018 10:48:07 +0100
From:   Colin King <colin.king@...onical.com>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: xhci: dbc: remove redundant pointer dbc

From: Colin Ian King <colin.king@...onical.com>

Pointer dbc is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
variable 'dbc' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/usb/host/xhci-dbgcap.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 387f124a8334..86cff5c28eff 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -913,11 +913,9 @@ static ssize_t dbc_store(struct device *dev,
 			 struct device_attribute *attr,
 			 const char *buf, size_t count)
 {
-	struct xhci_dbc		*dbc;
 	struct xhci_hcd		*xhci;
 
 	xhci = hcd_to_xhci(dev_get_drvdata(dev));
-	dbc = xhci->dbc;
 
 	if (!strncmp(buf, "enable", 6))
 		xhci_dbc_start(xhci);
-- 
2.17.1