usb: wusbcore: return -ENOENT for unlinked URBs.
authorThomas Pugliese <thomas.pugliese@gmail.com>
Mon, 25 Nov 2013 22:17:18 +0000 (16:17 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 Dec 2013 01:54:15 +0000 (17:54 -0800)
Return -ENOENT for unlinked URBs.

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

index 3220c62de31740f10e0fa7161ed014553925b2d1..a88b8c68ce78260d526cfc6e135c4db249e07b17 100644 (file)
@@ -1848,6 +1848,7 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb, int status)
                pr_debug("%s: xfer %p id 0x%08X has no RPIPE.  %s",
                        __func__, xfer, wa_xfer_id(xfer),
                        "Probably already aborted.\n" );
+               result = -ENOENT;
                goto out_unlock;
        }
        /* Check the delayed list -> if there, release and complete */
@@ -1878,6 +1879,7 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb, int status)
                         * segments will be completed in the DTI interrupt.
                         */
                        seg->status = WA_SEG_ABORTED;
+                       seg->result = -ENOENT;
                        spin_lock_irqsave(&rpipe->seg_lock, flags2);
                        list_del(&seg->list_node);
                        xfer->segs_done++;
@@ -1917,12 +1919,12 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb, int status)
                wa_xfer_completion(xfer);
        if (rpipe_ready)
                wa_xfer_delayed_run(rpipe);
-       return 0;
+       return result;
 
 out_unlock:
        spin_unlock_irqrestore(&xfer->lock, flags);
 out:
-       return 0;
+       return result;
 
 dequeue_delayed:
        list_del_init(&xfer->list_node);
@@ -1958,7 +1960,7 @@ static int wa_xfer_status_to_errno(u8 status)
                [WA_XFER_STATUS_NOT_FOUND] =            0,
                [WA_XFER_STATUS_INSUFFICIENT_RESOURCE] = -ENOMEM,
                [WA_XFER_STATUS_TRANSACTION_ERROR] =    -EILSEQ,
-               [WA_XFER_STATUS_ABORTED] =              -EINTR,
+               [WA_XFER_STATUS_ABORTED] =              -ENOENT,
                [WA_XFER_STATUS_RPIPE_NOT_READY] =      EINVAL,
                [WA_XFER_INVALID_FORMAT] =              EINVAL,
                [WA_XFER_UNEXPECTED_SEGMENT_NUMBER] =   EINVAL,