[PATCH 2/4] opensm/osm_sa_path_record.c: Add mtu validation if supplied

[PATCH 2/4] opensm/osm_sa_path_record.c: Add mtu validation if supplied

[Hal Rosenstock]

Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
 opensm/osm_sa_path_record.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/opensm/osm_sa_path_record.c b/opensm/osm_sa_path_record.c
index 09dcaff..393d78e 100644
--- a/opensm/osm_sa_path_record.c
+++ b/opensm/osm_sa_path_record.c
@@ -1604,7 +1604,7 @@ void osm_pr_rcv_process(IN void *context, IN void *data)
 	const ib_gid_t *p_dgid = NULL;
 	const osm_port_t *p_src_port, *p_dest_port;
 	osm_port_t *requester_port;
-	uint8_t rate;
+	uint8_t rate, mtu;
 
 	OSM_LOG_ENTER(sa->p_log);
 
@@ -1645,6 +1645,16 @@ void osm_pr_rcv_process(IN void *context, IN void *data)
 			goto Exit;
 		}
 	}
+	/* Validate MTU if supplied */
+	if ((p_sa_mad->comp_mask & IB_PR_COMPMASK_MTUSELEC) &&
+	    (p_sa_mad->comp_mask & IB_PR_COMPMASK_MTU)) {
+		mtu = ib_path_rec_mtu(p_pr);
+		if (!ib_mtu_is_valid(mtu)) {
+			osm_sa_send_error(sa, p_madw,
+					  IB_SA_MAD_STATUS_REQ_INVALID);
+			goto Exit;
+		}
+	}
 
 	cl_qlist_init(&pr_list);
 
-- 
1.7.6.1

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