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: Shaobo He <[email protected]>
Acked-by: Sean Hefty <[email protected]>
Signed-off-by: Steve Wise <[email protected]>
Cc: [email protected]
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Steve Wise 2017-02-21 11:21:57 -08:00 • committed by Doug Ledford
commit f2625f7db4

View file

@ -3683,6 +3683,9 @@ 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;