GCC reports the following warning with W=1:
drivers/usb/host/xhci.c:1349:15: warning:
variable 'len' set but not used [-Wunused-but-set-variable]
1349 | unsigned int len;
| ^~~
This variable is not used, remove it to fix the warning.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
drivers/usb/host/xhci.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 27283654ca08..a75ed4a00997 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;
@@ -1362,7 +1361,7 @@ 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,
+ (void)sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
urb->transfer_buffer,
buf_len,
0);
--
2.25.1
