[PATCH net-next v2 2/2] r8152: adjust rtl_start_rx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxxx>
---
 drivers/net/usb/r8152.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index df0868b..c7acadd 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2002,6 +2002,25 @@ 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;
 }
 
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux