From 7bcf4f605b4592452fba1e421b930909f7842310 Mon Sep 17 00:00:00 2001 From: hayeswang Date: Thu, 20 Nov 2014 10:29:06 +0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- 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 3b89229f0737..4a9ece01def6 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; } -- 2.20.1