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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 17:06:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 17:06:01 -0700
commitd7757be133cc05620608af46acd178686681b7ef (patch)
tree32f68fd9d1fc58337a74c75db3e29790df219f67 /drivers/infiniband/ulp
parent94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff)
parent216c7f92b9ca7766600a3a04b9dda445a9217832 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IPoIB: Don't turn on carrier for a non-active port IB/mthca: Fix access to freed memory in catastrophic event handling mlx4_core: Pass cache line size to device FW RDMA/nes: Remove duplicate .ndo_set_mac_address field initialization IB/mad: Fix lock-lock-timer deadlock in RMPP code
Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 25874fc680c9..8763c1ea5eb4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -362,12 +362,19 @@ void ipoib_mcast_carrier_on_task(struct work_struct *work)
{
struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv,
carrier_on_task);
+ struct ib_port_attr attr;
/*
* Take rtnl_lock to avoid racing with ipoib_stop() and
* turning the carrier back on while a device is being
* removed.
*/
+ if (ib_query_port(priv->ca, priv->port, &attr) ||
+ attr.state != IB_PORT_ACTIVE) {
+ ipoib_dbg(priv, "Keeping carrier off until IB port is active\n");
+ return;
+ }
+
rtnl_lock();
netif_carrier_on(priv->dev);
rtnl_unlock();