linux-kernel - [PATCH] usb: hub: remove unused variable

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Message-Id: <1413886894-21534-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Tue, 21 Oct 2014 15:51:34 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: hub: remove unused variable

the integer variable 'feature' was not being used anywhere in the function.
so it is safe to remove the variable.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/usb/core/hub.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 11e80ac..7eb45cd 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3907,14 +3907,9 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
 static int usb_disable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
 		enum usb3_link_state state)
 {
-	int feature;
-
 	switch (state) {
 	case USB3_LPM_U1:
-		feature = USB_PORT_FEAT_U1_TIMEOUT;
-		break;
 	case USB3_LPM_U2:
-		feature = USB_PORT_FEAT_U2_TIMEOUT;
 		break;
 	default:
 		dev_warn(&udev->dev, "%s: Can't disable non-U1 or U2 state.\n",
-- 
1.8.1.2

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