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r8152: adjust rx_bottom

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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>
This commit is contained in:
hayeswang 2015-02-06 11:30:45 +08:00 committed by David S. Miller
parent d0a47d3272
commit e1a2ca9272
1 changed files with 13 additions and 2 deletions
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15
drivers/net/usb/r8152.c
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@ -1643,7 +1643,7 @@ static int rx_bottom(struct r8152 *tp, int budget)
{ {
unsigned long flags; unsigned long flags;
struct list_head *cursor, *next, rx_queue; struct list_head *cursor, *next, rx_queue;
int work_done = 0; int ret = 0, work_done = 0;
if (!skb_queue_empty(&tp->rx_queue)) { if (!skb_queue_empty(&tp->rx_queue)) {
while (work_done < budget) { while (work_done < budget) {
@ -1734,7 +1734,18 @@ static int rx_bottom(struct r8152 *tp, int budget)
} }
submit: 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: out1: