diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:17:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:17:19 +0200 |
| commit | ed9e4996d9a123b7550e63713d563f524fa9d9f0 (patch) | |
| tree | a9be05d357b407aac80118b86f25d21a5dbdfc88 /drivers/infiniband/ulp/ipoib/ipoib_multicast.c | |
| parent | 4d2df795f0c3eb91f97a666f47716121a2f166ed (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into tracing/sysproftip-tracing-sysprof-2008-06-16_09.17_Mon
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; } |