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Date: Thu, 20 Nov 2014 10:29:06 +0800
From: Hayes Wang <hayeswang@...ltek.com>
To: <netdev@...r.kernel.org>
CC: <nic_swsd@...ltek.com>, <linux-kernel@...r.kernel.org>,
<linux-usb@...r.kernel.org>, Hayes Wang <hayeswang@...ltek.com>
Subject: [PATCH net-next v3 2/2] 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@...ltek.com>
---
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 3b89229..4a9ece0 100644
--- 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;
}
--
1.9.3
--
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