-stable review patch. If anyone has any objections, please let us know.
------------------
From: Eli Cohen <[email protected]>
When ipoib_ib_dev_flush() is called because of a port event, the
driver needs to rejoin all multicast groups, since the flush will call
ipoib_mcast_dev_flush() (via ipoib_ib_dev_down()). Otherwise no
(non-broadcast) multicast groups will be rejoined until the networking
core calls ->set_multicast_list again, and so multicast reception will
be broken for potentially a long time.
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
drivers/infiniband/ulp/ipoib/ipoib_ib.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.18.1.orig/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ linux-2.6.18.1/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -619,8 +619,10 @@ void ipoib_ib_dev_flush(void *_dev)
* The device could have been brought down between the start and when
* we get here, don't bring it back up if it's not configured up
*/
- if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
+ if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) {
ipoib_ib_dev_up(dev);
+ ipoib_mcast_restart_task(dev);
+ }
mutex_lock(&priv->vlan_mutex);
--
-
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