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| author | David S. Miller <davem@davemloft.net> | 2008-06-10 13:22:26 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-10 13:22:26 +0400 |
| commit | 65b53e4cc90e59936733b3b95b9451d2ca47528d (patch) | |
| tree | 29932718192962671c48c3fd1ea017a6112459e8 /drivers/infiniband/ulp/ipoib/ipoib_multicast.c | |
| parent | 788c0a53164c05c5ccdb1472474372b72ba74644 (diff) | |
| parent | 2e761e0532a784816e7e822dbaaece8c5d4be14d (diff) | |
| download | linux-65b53e4cc90e59936733b3b95b9451d2ca47528d.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/tg3.c
drivers/net/wireless/rt2x00/rt2x00dev.c
net/mac80211/ieee80211_i.h
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_multicast.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index d00a2c174aee..3f663fb852c1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -194,7 +194,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, /* Set the cached Q_Key before we attach if it's the broadcast group */ if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4, sizeof (union ib_gid))) { + spin_lock_irq(&priv->lock); + if (!priv->broadcast) { + spin_unlock_irq(&priv->lock); + return -EAGAIN; + } priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey); + spin_unlock_irq(&priv->lock); priv->tx_wr.wr.ud.remote_qkey = priv->qkey; } |