IB/core: Fix Coverity issues for rdma_cm

Signed-off-by: Itai Garbi <igarbi@mellanox.com>
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Derived from(subset of!) Mellanox OFED-2.4 patch
84c6d50a470b4b61ca6b2ed1c718b121870daa37
(IB/core: Fix Coverity issues)

Signed-off-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
(Ported from Mellanox OFED 2.4)

Signed-off-by: Mukesh Kacker <mukesh.kacker@oracle.com>

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index eef25eccbbacf8e040568c563395367b267be6f4..031b377a1557aebf7fe7a4dd9557f908b9831c9b 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2966,6 +2966,9 @@ static int cma_accept_iw(struct rdma_id_private *id_priv,
        struct iw_cm_conn_param iw_param;
        int ret;
 
+       if (!conn_param)
+               return -EINVAL;
+
        ret = cma_modify_qp_rtr(id_priv, conn_param);
        if (ret)
                return ret;