usbip: stub: stop printing kernel pointer addresses in messages

[pandora-kernel.git] / drivers / staging / usbip / stub_tx.c

diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/staging/usbip/stub_tx.c
index 023fda3..7f21170 100644 (file)
--- a/drivers/staging/usbip/stub_tx.c
+++ b/drivers/staging/usbip/stub_tx.c
@@ -28,7 +28,11 @@ static void stub_free_priv_and_urb(struct stub_priv *priv)
        struct urb *urb = priv->urb;
 
        kfree(urb->setup_packet);
+       urb->setup_packet = NULL;
+
        kfree(urb->transfer_buffer);
+       urb->transfer_buffer = NULL;
+
        list_del(&priv->list);
        kmem_cache_free(stub_priv_cache, priv);
        usb_free_urb(urb);
@@ -174,6 +178,13 @@ static int stub_send_ret_submit(struct stub_device *sdev)
                memset(&pdu_header, 0, sizeof(pdu_header));
                memset(&msg, 0, sizeof(msg));
 
+               if (urb->actual_length > 0 && !urb->transfer_buffer) {
+                       dev_err(&sdev->interface->dev,
+                               "urb: actual_length %d transfer_buffer null\n",
+                               urb->actual_length);
+                       return -1;
+               }
+
                if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
                        iovnum = 2 + urb->number_of_packets;
                else
@@ -190,8 +201,8 @@ static int stub_send_ret_submit(struct stub_device *sdev)
 
                /* 1. setup usbip_header */
                setup_ret_submit_pdu(&pdu_header, urb);
-               usbip_dbg_stub_tx("setup txdata seqnum: %d urb: %p\n",
-                                 pdu_header.base.seqnum, urb);
+               usbip_dbg_stub_tx("setup txdata seqnum: %d\n",
+                                 pdu_header.base.seqnum);
                /*usbip_dump_header(pdu_header);*/
                usbip_header_correct_endian(&pdu_header, 1);