RDMA/srpt: Fix handling of iWARP logins (cbca2442) · Commits · 戴 / test

The path_rec pointer is NULL set for IB and RoCE logins but not for iWARP logins. Hence check the path_rec pointer before dereferencing it. Link: https://lore.kernel.org/r/20190930231707.48259-11-bvanassche@acm.org Cc: Honggang LI <honli@redhat.com> Cc: Laurence Oberman <loberman@redhat.com> Signed-off-by:

Bart Van Assche <bvanassche@acm.org> Signed-off-by:

Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/ulp/srpt/ib_srpt.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2502,6 +2502,7 @@ static int srpt_rdma_cm_req_recv(struct rdma_cm_id *cm_id,
		struct srpt_device *sdev;
		struct srp_login_req req;
		const struct srp_login_req_rdma *req_rdma;
		struct sa_path_rec *path_rec = cm_id->route.path_rec;
		char src_addr[40];

		sdev = ib_get_client_data(cm_id->device, &srpt_client);
		@@ -2527,7 +2528,7 @@ static int srpt_rdma_cm_req_recv(struct rdma_cm_id *cm_id,
		&cm_id->route.addr.src_addr);

		return srpt_cm_req_recv(sdev, NULL, cm_id, cm_id->port_num,
		cm_id->route.path_rec->pkey, &req, src_addr);
		path_rec ? path_rec->pkey : 0, &req, src_addr);
		}

		static void srpt_cm_rej_recv(struct srpt_rdma_ch *ch,

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