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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-29 19:22:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-29 19:22:08 +0300
commit49b2de8e6febfea5a8791b6476195903af83a35d (patch)
treec93f328623b9429615981d4b7502997fdd0f72b0 /drivers/net/virtio_net.c
parent8633322c5fd5b2a986b279f88a7559d8409f7da3 (diff)
parentb5dd884e682cae6b8c037f9d11f3b623b4cf2011 (diff)
downloadlinux-49b2de8e6febfea5a8791b6476195903af83a35d.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits) net: Fix 'Re: PACKET_TX_RING: packet size is too long' netdev: usb: dm9601.c can drive a device not supported yet, add support for it qlge: Fix firmware mailbox command timeout. qlge: Fix EEH handling. AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2) bonding: fix a race condition in calls to slave MII ioctls virtio-net: fix data corruption with OOM sfc: Set ip_summed correctly for page buffers passed to GRO cnic: Fix L2CTX_STATUSB_NUM offset in context memory. MAINTAINERS: rt2x00 list is moderated airo: Reorder tests, check bounds before element mac80211: fix for incorrect sequence number on hostapd injected frames libertas spi: fix sparse errors mac80211: trivial: fix spelling in mesh_hwmp cfg80211: sme: deauthenticate on assoc failure mac80211: keep auth state when assoc fails mac80211: fix ibss joining b43: add 'struct b43_wl' missing declaration b43: Fix Bugzilla #14181 and the bug from the previous 'fix' rt2x00: Fix crypto in TX frame for rt2800usb ...
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3709d6af9abf..05630f2f6930 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -516,8 +516,7 @@ again:
/* Free up any pending old buffers before queueing new ones. */
free_old_xmit_skbs(vi);
- /* Put new one in send queue and do transmit */
- __skb_queue_head(&vi->send, skb);
+ /* Try to transmit */
capacity = xmit_skb(vi, skb);
/* This can happen with OOM and indirect buffers. */
@@ -531,8 +530,17 @@ again:
}
return NETDEV_TX_BUSY;
}
-
vi->svq->vq_ops->kick(vi->svq);
+
+ /*
+ * Put new one in send queue. You'd expect we'd need this before
+ * xmit_skb calls add_buf(), since the callback can be triggered
+ * immediately after that. But since the callback just triggers
+ * another call back here, normal network xmit locking prevents the
+ * race.
+ */
+ __skb_queue_head(&vi->send, skb);
+
/* Don't wait up for transmitted skbs to be freed. */
skb_orphan(skb);
nf_reset(skb);