Commit f2625f7d authored by Steve Wise's avatar Steve Wise Committed by Doug Ledford

rdma_cm: fail iwarp accepts w/o connection params

cma_accept_iw() needs to return an error if conn_params is NULL.
Since this is coming from user space, we can crash.
Reported-by: default avatarShaobo He <shaobo@cs.utah.edu>
Acked-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 9294000d
...@@ -3683,6 +3683,9 @@ static int cma_accept_iw(struct rdma_id_private *id_priv, ...@@ -3683,6 +3683,9 @@ static int cma_accept_iw(struct rdma_id_private *id_priv,
struct iw_cm_conn_param iw_param; struct iw_cm_conn_param iw_param;
int ret; int ret;
if (!conn_param)
return -EINVAL;
ret = cma_modify_qp_rtr(id_priv, conn_param); ret = cma_modify_qp_rtr(id_priv, conn_param);
if (ret) if (ret)
return ret; return ret;
......
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