From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Sun, 11 Jan 2015 22:49:01 +0000 (+0300)
Subject: fhci-hub: kill 'len' variable in fhci_hub_control()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a5790e9e834bb48cb681620ec680203edb536242;p=openwrt%2Fstaging%2Fblogic.git

fhci-hub: kill 'len' variable in fhci_hub_control()

The 'len' variable in fhci_hub_control() is write-only, so totally useless.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/host/fhci-hub.c b/drivers/usb/host/fhci-hub.c
index 4d061a26b1ad..a081a780874d 100644
--- a/drivers/usb/host/fhci-hub.c
+++ b/drivers/usb/host/fhci-hub.c
@@ -208,7 +208,6 @@ int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 {
 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);
 	int retval = 0;
-	int len = 0;
 	struct usb_hub_status *hub_status;
 	struct usb_port_status *port_status;
 	unsigned long flags;
@@ -272,7 +271,6 @@ int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		break;
 	case GetHubDescriptor:
 		memcpy(buf, root_hub_des, sizeof(root_hub_des));
-		len = (buf[0] < wLength) ? buf[0] : wLength;
 		break;
 	case GetHubStatus:
 		hub_status = (struct usb_hub_status *)buf;
@@ -280,7 +278,6 @@ int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		    cpu_to_le16(fhci->vroot_hub->hub.wHubStatus);
 		hub_status->wHubChange =
 		    cpu_to_le16(fhci->vroot_hub->hub.wHubChange);
-		len = 4;
 		break;
 	case GetPortStatus:
 		port_status = (struct usb_port_status *)buf;
@@ -288,7 +285,6 @@ int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		    cpu_to_le16(fhci->vroot_hub->port.wPortStatus);
 		port_status->wPortChange =
 		    cpu_to_le16(fhci->vroot_hub->port.wPortChange);
-		len = 4;
 		break;
 	case SetHubFeature:
 		switch (wValue) {