IPoIB: Do not print error messages for multicast join retries

When IPoIB tries to join a multicast group, and the SA module's SM
address handle is NULL (because of an SM change, etc), the join
returns with -EAGAIN status.  In that case, don't print an error
message unless multicast debugging is enabled.

Signed-off-by: Yossi Etigin <yosefe@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 59d02e0..425e311 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -409,7 +409,7 @@ static int ipoib_mcast_join_complete(int status,
        }
 
        if (mcast->logcount++ < 20) {
-               if (status == -ETIMEDOUT) {
+               if (status == -ETIMEDOUT || status == -EAGAIN) {
                        ipoib_dbg_mcast(priv, "multicast join failed for %pI6, status %d\n",
                                        mcast->mcmember.mgid.raw, status);
                } else {