[PATCH 17/24] usb: host: xhci: Remove unused variable 'len'

Lee Jones
2021-05-26T13:02:11Z

Fixes the following W=1 kernel build warning(s):

drivers/usb/host/xhci.c: In function ‘xhci_unmap_temp_buf’:
drivers/usb/host/xhci.c:1349:15: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]

Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
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 27283654ca080..ac2a7d4288883 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1346,7 +1346,6 @@ 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;

@@ -1362,10 +1361,10 @@ 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);
--
2.31.1