diff options
| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-03-22 13:24:34 +0200 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-04-11 10:58:20 +0300 |
| commit | fea14e68ff5e110c21f57278883c8cc4637c3f92 (patch) | |
| tree | cc4a77923aa98f7e6b3588dcdcb07ad654b6fcab /drivers/usb | |
| parent | aad7c25964955ccf097712d596ef00a3e187341e (diff) | |
| download | linux-fea14e68ff5e110c21f57278883c8cc4637c3f92.tar.bz2 | |
usb: gadget: u_ether: use better list accessors
We have helpers for some of these, let's rely on them instead of open
coding what they do in u_ether.c
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/function/u_ether.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index c3cab77181d4..cba6ff683f2c 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -401,13 +401,12 @@ done: static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags) { struct usb_request *req; + struct usb_request *tmp; unsigned long flags; /* fill unused rxq slots with some skb */ spin_lock_irqsave(&dev->req_lock, flags); - while (!list_empty(&dev->rx_reqs)) { - req = container_of(dev->rx_reqs.next, - struct usb_request, list); + list_for_each_entry_safe(req, tmp, &dev->rx_reqs, list) { list_del_init(&req->list); spin_unlock_irqrestore(&dev->req_lock, flags); @@ -527,7 +526,7 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, return NETDEV_TX_BUSY; } - req = container_of(dev->tx_reqs.next, struct usb_request, list); + req = list_first_entry(&dev->tx_reqs, struct usb_request, list); list_del(&req->list); /* temporarily stop TX queue when the freelist empties */ @@ -1122,6 +1121,7 @@ void gether_disconnect(struct gether *link) { struct eth_dev *dev = link->ioport; struct usb_request *req; + struct usb_request *tmp; WARN_ON(!dev); if (!dev) @@ -1138,9 +1138,7 @@ void gether_disconnect(struct gether *link) */ usb_ep_disable(link->in_ep); spin_lock(&dev->req_lock); - while (!list_empty(&dev->tx_reqs)) { - req = container_of(dev->tx_reqs.next, - struct usb_request, list); + list_for_each_entry_safe(req, tmp, &dev->tx_reqs, list) { list_del(&req->list); spin_unlock(&dev->req_lock); @@ -1152,9 +1150,7 @@ void gether_disconnect(struct gether *link) usb_ep_disable(link->out_ep); spin_lock(&dev->req_lock); - while (!list_empty(&dev->rx_reqs)) { - req = container_of(dev->rx_reqs.next, - struct usb_request, list); + list_for_each_entry_safe(req, tmp, &dev->rx_reqs, list) { list_del(&req->list); spin_unlock(&dev->req_lock); |