lkml.org 
[lkml]   [2014]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next v2 2/2] r8152: adjust rtl_start_rx
Date
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>
---
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


\
 
 \ /
  Last update: 2014-11-19 06:41    [W:0.170 / U:0.428 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site