Using CX-3 in virtualized mode, MAD packets are proxied through the PF driver. However, the handling lacks support of the MRA (Message Receipt Acknowledgment) packet. When having dynamic debug enabled, we see tons of: mlx4_ib_multiplex_cm_handler: id{slave: 7, sl_cm_id: 0x8fcb45a0} is NULL! attr_id: 0x11 Fixes: 3cf69cc8dbeb ("IB/mlx4: Add CM paravirtualization") Signed-off-by: Håkon Bugge <haakon.bugge@xxxxxxxxxx> --- drivers/infiniband/hw/mlx4/cm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index 302ea7ec2008..6f0ffd0906e6 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -293,8 +293,9 @@ int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id int pv_cm_id = -1; if (mad->mad_hdr.attr_id == CM_REQ_ATTR_ID || - mad->mad_hdr.attr_id == CM_REP_ATTR_ID || - mad->mad_hdr.attr_id == CM_SIDR_REQ_ATTR_ID) { + mad->mad_hdr.attr_id == CM_REP_ATTR_ID || + mad->mad_hdr.attr_id == CM_MRA_ATTR_ID || + mad->mad_hdr.attr_id == CM_SIDR_REQ_ATTR_ID) { sl_cm_id = get_local_comm_id(mad); id = id_map_get(ibdev, &pv_cm_id, slave_id, sl_cm_id); if (id) -- 2.20.1