IB/mlx4: Fix QP1 P_Key processing in the Primary Physical Function (PPF)

[cascardo/linux.git] / drivers / infiniband / hw / mlx4 / mcg.c

diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 3c3b54c..44ff480 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -233,7 +233,8 @@ static int send_mad_to_slave(int slave, struct mlx4_ib_demux_ctx *ctx,
 
        ib_query_ah(dev->sm_ah[ctx->port - 1], &ah_attr);
 
-       wc.pkey_index = 0;
+       if (ib_find_cached_pkey(&dev->ib_dev, ctx->port, IB_DEFAULT_PKEY_FULL, &wc.pkey_index))
+               return -EINVAL;
        wc.sl = 0;
        wc.dlid_path_bits = 0;
        wc.port_num = ctx->port;