From: Zou Wei <zou_wei@huawei.com>
To: <mathias.nyman@intel.com>, <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Zou Wei <zou_wei@huawei.com>
Subject: [PATCH -next] usb: xhci: remove unused variable
Date: Mon, 14 Dec 2020 19:32:11 +0800 [thread overview]
Message-ID: <1607945531-15059-1-git-send-email-zou_wei@huawei.com> (raw)
Fix variable set but not used compilation warnings:
drivers/usb/host/xhci.c:1338:15: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
unsigned int len;
^~~
Signed-off-by: Zou Wei <zou_wei@huawei.com>
---
drivers/usb/host/xhci.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 91ab81c..24e5a0f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1335,7 +1335,6 @@ static bool xhci_urb_temp_buffer_required(struct usb_hcd *hcd,
static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
{
- unsigned int len;
unsigned int buf_len;
enum dma_data_direction dir;
@@ -1351,10 +1350,10 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
dir);
if (usb_urb_dir_in(urb))
- len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
- urb->transfer_buffer,
- buf_len,
- 0);
+ sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
+ urb->transfer_buffer,
+ buf_len,
+ 0);
urb->transfer_flags &= ~URB_DMA_MAP_SINGLE;
kfree(urb->transfer_buffer);
--
2.6.2
next reply other threads:[~2020-12-14 11:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 11:32 Zou Wei [this message]
2020-12-14 12:05 ` [PATCH -next] usb: xhci: remove unused variable Greg KH
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