linux-kernel - [PATCH v2 1/4] usb: xhci: remove unused variable last_freed

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Date:   Thu, 26 Oct 2017 10:46:22 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     mathias.nyman@...el.com, gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH v2 1/4] usb: xhci: remove unused variable last_freed_endpoint

From: Corentin Labbe <clabbe.montjoie@...il.com>

This patch fix the following build warnings:
drivers/usb/host/xhci.c:3378:6: warning: variable 'last_freed_endpoint' set but not used [-Wunused-but-set-variable]

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 drivers/usb/host/xhci.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ee077a2..b12b2bd 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3375,7 +3375,6 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd,
 	unsigned int slot_id;
 	struct xhci_virt_device *virt_dev;
 	struct xhci_command *reset_device_cmd;
-	int last_freed_endpoint;
 	struct xhci_slot_ctx *slot_ctx;
 	int old_active_eps = 0;
 
@@ -3490,7 +3489,6 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd,
 	}
 
 	/* Everything but endpoint 0 is disabled, so free the rings. */
-	last_freed_endpoint = 1;
 	for (i = 1; i < 31; i++) {
 		struct xhci_virt_ep *ep = &virt_dev->eps[i];
 
@@ -3505,7 +3503,6 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd,
 		if (ep->ring) {
 			xhci_debugfs_remove_endpoint(xhci, virt_dev, i);
 			xhci_free_endpoint_ring(xhci, virt_dev, i);
-			last_freed_endpoint = i;
 		}
 		if (!list_empty(&virt_dev->eps[i].bw_endpoint_list))
 			xhci_drop_ep_from_interval_table(xhci,
-- 
2.7.4