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authorhayeswang <hayeswang@realtek.com>2015-02-06 03:30:45 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-02-08 06:46:24 (GMT)
commite1a2ca92727500ea8d25326216d700bed6176117 (patch)
tree833f5aa698ed5e18a986d1d4e8de9d76ccc762a2 /drivers/net/usb
parentd0a47d32724bf0765b8768086ef1a7a6d074a7a0 (diff)
downloadlinux-e1a2ca92727500ea8d25326216d700bed6176117.tar.xz
r8152: adjust rx_bottom
If a error occurs when submitting rx, skip the remaining submissions and try to submit them again next time. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index b74a272..41a1cbc 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1643,7 +1643,7 @@ static int rx_bottom(struct r8152 *tp, int budget)
{
unsigned long flags;
struct list_head *cursor, *next, rx_queue;
- int work_done = 0;
+ int ret = 0, work_done = 0;
if (!skb_queue_empty(&tp->rx_queue)) {
while (work_done < budget) {
@@ -1734,7 +1734,18 @@ find_next_rx:
}
submit:
- r8152_submit_rx(tp, agg, GFP_ATOMIC);
+ if (!ret) {
+ ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
+ } else {
+ urb->actual_length = 0;
+ list_add_tail(&agg->list, next);
+ }
+ }
+
+ if (!list_empty(&rx_queue)) {
+ spin_lock_irqsave(&tp->rx_lock, flags);
+ list_splice_tail(&rx_queue, &tp->rx_done);
+ spin_unlock_irqrestore(&tp->rx_lock, flags);
}
out1: