usb: wusbcore: fix compile warnings

Fix "pointer targets differ in signedness" and "variable set but not
used" warnings

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 3 insertions, 7 deletions

diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index 3b959e83b28e..0677139c6065 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -284,7 +284,7 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
         struct device *dev = wusbhc->dev;
         struct wusb_dev *wusb_dev;
         struct wusb_port *port;
-        unsigned idx, devnum;
+        unsigned idx;
 
         mutex_lock(&wusbhc->mutex);
 
@@ -312,8 +312,6 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
                 goto error_unlock;
         }
 
-        devnum = idx + 2;
-
         /* Make sure we are using no crypto on that "virtual port" */
         wusbhc->set_ptk(wusbhc, idx, 0, NULL, 0);
 
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 0636206f75ab..404ce81b286c 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -1007,7 +1007,7 @@ static void wa_seg_tr_cb(struct urb *urb)
  */
 static struct scatterlist *wa_xfer_create_subset_sg(struct scatterlist *in_sg,
         const unsigned int bytes_transferred,
-        const unsigned int bytes_to_transfer, unsigned int *out_num_sgs)
+        const unsigned int bytes_to_transfer, int *out_num_sgs)
 {
         struct scatterlist *out_sg;
         unsigned int bytes_processed = 0, offset_into_current_page_data = 0,
@@ -1161,14 +1161,13 @@ static int __wa_populate_dto_urb(struct wa_xfer *xfer,
  */
 static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size)
 {
-        int result, cnt, iso_frame_offset;
+        int result, cnt, isoc_frame_offset = 0;
         size_t alloc_size = sizeof(*xfer->seg[0])
                 - sizeof(xfer->seg[0]->xfer_hdr) + xfer_hdr_size;
         struct usb_device *usb_dev = xfer->wa->usb_dev;
         const struct usb_endpoint_descriptor *dto_epd = xfer->wa->dto_epd;
         struct wa_seg *seg;
         size_t buf_itr, buf_size, buf_itr_size;
-        int isoc_frame_offset = 0;
 
         result = -ENOMEM;
         xfer->seg = kcalloc(xfer->segs, sizeof(xfer->seg[0]), GFP_ATOMIC);
@@ -1176,7 +1175,6 @@ static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size)
                 goto error_segs_kzalloc;
         buf_itr = 0;
         buf_size = xfer->urb->transfer_buffer_length;
-        iso_frame_offset = 0;
         for (cnt = 0; cnt < xfer->segs; cnt++) {
                 size_t iso_pkt_descr_size = 0;
                 int seg_isoc_frame_count = 0, seg_isoc_size = 0;