From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: [PATCH opensm] osm_trap_rcv.c: fix race condition during sweep Date: Mon, 30 Dec 2013 07:24:57 -0500 Message-ID: <52C16619.2000703@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "linux-rdma (linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)" Cc: Alex Netes List-Id: linux-rdma@vger.kernel.org From: Alex Netes If SM receives trap 128 from a physp it didn't discover yet, it will crash. Signed-off-by: Alex Netes Signed-off-by: Hal Rosenstock --- opensm/osm_trap_rcv.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/opensm/osm_trap_rcv.c b/opensm/osm_trap_rcv.c index 72df5db..d5f646f 100644 --- a/opensm/osm_trap_rcv.c +++ b/opensm/osm_trap_rcv.c @@ -568,7 +568,8 @@ check_sweep: if (osm_log_is_active_v2(sm->p_log, OSM_LOG_INFO, FILE_ID)) { if (ib_notice_is_generic(p_ntci) && cl_ntoh16(p_ntci->g_or_v.generic.trap_num) == SM_LINK_STATE_CHANGED_TRAP) { - p_path = osm_physp_get_dr_path_ptr(p_physp); + p_path = (p_physp) ? + osm_physp_get_dr_path_ptr(p_physp) : NULL; if (p_path) { n = sprintf(buf, "SM class trap %u: ", cl_ntoh16(p_ntci->g_or_v.generic.trap_num)); -- 1.7.8.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html