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f_usbnet:Requeue the request in shutdown case

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Requeue the rx request in case of ether_open
or connection shutdown cases
make sure there is always requests available in the list

Change-Id: Ib3e5425b5fe3306df64594285e5717a1767fd275
Signed-off-by: William Liu <a17671@motorola.com>
Reviewed-on: https://gerrit.mot.com/2399177
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yuecai Liu <liuyc20@motorola.com>
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
William Liu 2022-10-08 23:04:24 +08:00 • committed by Zonghua Liu
commit bf79e46e0a
1 changed files with 5 additions and 9 deletions
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14
drivers/moto_f_usbnet/f_usbnet.c
View file

@ -515,6 +515,8 @@ static int usb_ether_open(struct net_device *dev)
{
struct usbnet_context *context = netdev_priv(dev);
USBNETDBG(context, "%s\n", __func__);
defer_kevent(context, WORK_RX_MEMORY);
USBNETDBG(context, "restart rx work\n");
return 0;
}
@ -673,7 +675,6 @@ static void ether_out_complete(struct usb_ep *ep, struct usb_request *req)
{
struct sk_buff *skb = req->context;
struct usbnet_context *context = ep->driver_data;
struct net_device *net_dev = context->dev;
int status;
if (req->status == 0) {
@ -703,14 +704,9 @@ static void ether_out_complete(struct usb_ep *ep, struct usb_request *req)
/* don't bother requeuing if we just went offline */
if ((req->status == -ENODEV) || (req->status == -ESHUTDOWN)) {
unsigned long flags;
if(!netif_running(net_dev)){
spin_lock_irqsave(&context->lock, flags);
list_add_tail(&req->list, &context->rx_reqs);
spin_unlock_irqrestore(&context->lock, flags);
}
} else if (req->status == -ECONNABORTED){ /* endpoint reset */
USBNETDBG(context,"rx %s reset\n", ep->name);
defer_kevent(context, WORK_RX_MEMORY);
spin_lock_irqsave(&context->lock, flags);
list_add_tail(&req->list, &context->rx_reqs);
spin_unlock_irqrestore(&context->lock, flags);
}else {
if (ether_queue_out(req, context))
USBNETDBG(context, "ether_out: cannot requeue\n");