r8152: adjust rtl_start_rx

If there is a error for r8152_submit_rx(), add the remaining rx
buffers to the list. Then the remaining rx buffers could be
submitted later.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 3b89229f0737c2761f73a515c1951f8fb8b223c3..4a9ece01def6fb17c9ea3fe7e656d9d4c36e9651 100644 (file)
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2001,6 +2001,25 @@ static int rtl_start_rx(struct r8152 *tp)
                        break;
        }
 
+       if (ret && ++i < RTL8152_MAX_RX) {
+               struct list_head rx_queue;
+               unsigned long flags;
+
+               INIT_LIST_HEAD(&rx_queue);
+
+               do {
+                       struct rx_agg *agg = &tp->rx_info[i++];
+                       struct urb *urb = agg->urb;
+
+                       urb->actual_length = 0;
+                       list_add_tail(&agg->list, &rx_queue);
+               } while (i < RTL8152_MAX_RX);
+
+               spin_lock_irqsave(&tp->rx_lock, flags);
+               list_splice_tail(&rx_queue, &tp->rx_done);
+               spin_unlock_irqrestore(&tp->rx_lock, flags);
+       }
+
        return ret;
 }