If the cm_id is not connected, id->verbs will be NULL. Check the
pointer before dereferencing it.
Signed-off-by: Andrew Boyer <andrew.boyer@xxxxxxxx>
---
librdmacm/cma.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/librdmacm/cma.c b/librdmacm/cma.c
index fa37065..2b36e89 100644
--- a/librdmacm/cma.c
+++ b/librdmacm/cma.c
@@ -1684,6 +1684,9 @@ int rdma_notify(struct rdma_cm_id *id, enum ibv_event_type event)
int ucma_shutdown(struct rdma_cm_id *id)
{
+ if (!id->verbs || !id->verbs->device)
+ return ERR(EINVAL);
+
switch (id->verbs->device->transport_type) {
case IBV_TRANSPORT_IB:
return ucma_modify_qp_err(id);
--
1.8.3.1
--
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