diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2017-02-21 11:21:57 -0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2017-03-13 21:40:36 +0100 |
| commit | aad5b4ca27f0fe050129e61c3c80409fbc4f7344 (patch) | |
| tree | 80b1d8199d65da63676d876a93a2815efe9bb7bd | |
| parent | 600bfb438cd9ab51f952bc44364c20e82d184fa4 (diff) | |
rdma_cm: fail iwarp accepts w/o connection params
commit f2625f7db4dd0bbd16a9c7d2950e7621f9aa57ad upstream.
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 <shaobo@cs.utah.edu>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | drivers/infiniband/core/cma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 1429143301a7..ce6a1afcb410 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2914,6 +2914,9 @@ 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; |