Merge branch 'pm-qos'

[firefly-linux-kernel-4.4.55.git] / drivers / net / usb / usbnet.c

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fd4b26d46fd5d2f2c8ccb68cd55844a3a5c9d336..fc9f578a1e253a781b9406b1e4a43ed2de2688d1 100644 (file)
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1201,19 +1201,26 @@ deferred:
 }
 EXPORT_SYMBOL_GPL(usbnet_start_xmit);
 
-static void rx_alloc_submit(struct usbnet *dev, gfp_t flags)
+static int rx_alloc_submit(struct usbnet *dev, gfp_t flags)
 {
        struct urb      *urb;
        int             i;
+       int             ret = 0;
 
        /* don't refill the queue all at once */
        for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) {
                urb = usb_alloc_urb(0, flags);
                if (urb != NULL) {
-                       if (rx_submit(dev, urb, flags) == -ENOLINK)
-                               return;
+                       ret = rx_submit(dev, urb, flags);
+                       if (ret)
+                               goto err;
+               } else {
+                       ret = -ENOMEM;
+                       goto err;
                }
        }
+err:
+       return ret;
 }
 
 /*-------------------------------------------------------------------------*/
@@ -1257,7 +1264,8 @@ static void usbnet_bh (unsigned long param)
                int     temp = dev->rxq.qlen;
 
                if (temp < RX_QLEN(dev)) {
-                       rx_alloc_submit(dev, GFP_ATOMIC);
+                       if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK)
+                               return;
                        if (temp != dev->rxq.qlen)
                                netif_dbg(dev, link, dev->net,
                                          "rxqlen %d --> %d\n",