usb: wusbcore: fix below build warning
authorPeter Chen <peter.chen@freescale.com>
Tue, 19 Aug 2014 00:56:22 +0000 (08:56 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 19 Aug 2014 16:28:53 +0000 (11:28 -0500)
linux-2.6/drivers/usb/wusbcore/wa-xfer.c: In function 'wa_buf_in_cb':
linux-2.6/drivers/usb/wusbcore/wa-xfer.c:2590: warning: 'rpipe' may be used uninitialized in this function

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Suggested-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/wusbcore/wa-xfer.c

index 3e2e4ed2015739bf9acd3cea2a7fd22fa8c3a1d8..e279015be466166742367f7bcb958639f856b447 100644 (file)
@@ -2602,6 +2602,7 @@ static void wa_buf_in_cb(struct urb *urb)
        dev = &wa->usb_iface->dev;
        --(wa->active_buf_in_urbs);
        active_buf_in_urbs = wa->active_buf_in_urbs;
+       rpipe = xfer->ep->hcpriv;
 
        if (usb_pipeisoc(xfer->urb->pipe)) {
                struct usb_iso_packet_descriptor *iso_frame_desc =
@@ -2659,7 +2660,6 @@ static void wa_buf_in_cb(struct urb *urb)
                          resubmit_dti = (isoc_data_frame_count ==
                                                        urb_frame_count);
                } else if (active_buf_in_urbs == 0) {
-                       rpipe = xfer->ep->hcpriv;
                        dev_dbg(dev,
                                "xfer %p 0x%08X#%u: data in done (%zu bytes)\n",
                                xfer, wa_xfer_id(xfer), seg->index,
@@ -2685,7 +2685,6 @@ static void wa_buf_in_cb(struct urb *urb)
                 */
                resubmit_dti = wa->dti_state != WA_DTI_TRANSFER_RESULT_PENDING;
                spin_lock_irqsave(&xfer->lock, flags);
-               rpipe = xfer->ep->hcpriv;
                if (printk_ratelimit())
                        dev_err(dev, "xfer %p 0x%08X#%u: data in error %d\n",
                                xfer, wa_xfer_id(xfer), seg->index,