diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
| commit | 593d1006cdf710ab3469c0c37c184fea0bc3da97 (patch) | |
| tree | e4db58440018a52089e8d6b39160f753ab10df99 /drivers/net/usb/usbnet.c | |
| parent | 5217192b85480353aeeb395574e60d0db04f3676 (diff) | |
| parent | 9b20aa63b8fc9a6a3b6831f4eae3621755e51211 (diff) | |
Merge remote-tracking branch 'tip/core/rcu' into next.2012.09.25b
Resolved conflict in kernel/sched/core.c using Peter Zijlstra's
approach from https://lkml.org/lkml/2012/9/5/585.
Diffstat (limited to 'drivers/net/usb/usbnet.c')
| -rw-r--r-- | drivers/net/usb/usbnet.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index fd4b26d46fd5..fc9f578a1e25 100644 --- 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", |