cmid will be destroyed at OFED if kiblnd_cm_callback return error. if error happen before the end of kiblnd_connect_peer, it will touch destroyed cmid and fail as (o2iblnd_cb.c:1315:kiblnd_connect_peer()) ASSERTION( cmid->device != ((void *)0) ) failed: Signed-off-by: Alexander Boyko <alexander.boyko@xxxxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10015 Reviewed-by: Alexey Lyashkov <c17817@xxxxxxxx> Reviewed-by: Doug Oucharek <dougso@xxxxxx> Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx> Signed-off-by: Doug Oucharek <dougso@xxxxxx> --- drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 6690a6c..080c2a1 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -1290,11 +1290,6 @@ static int kiblnd_resolve_addr(struct rdma_cm_id *cmid, goto failed2; } - LASSERT(cmid->device); - CDEBUG(D_NET, "%s: connection bound to %s:%pI4h:%s\n", - libcfs_nid2str(peer->ibp_nid), dev->ibd_ifname, - &dev->ibd_ifip, cmid->device->name); - return; failed2: @@ -2996,8 +2991,19 @@ static int kiblnd_resolve_addr(struct rdma_cm_id *cmid, } else { rc = rdma_resolve_route( cmid, *kiblnd_tunables.kib_timeout * 1000); - if (!rc) + if (!rc) { + kib_net_t *net = peer_ni->ibp_ni->ni_data; + kib_dev_t *dev = net->ibn_dev; + + CDEBUG(D_NET, "%s: connection bound to "\ + "%s:%pI4h:%s\n", + libcfs_nid2str(peer_ni->ibp_nid), + dev->ibd_ifname, + &dev->ibd_ifip, cmid->device->name); + return 0; + } + /* Can't initiate route resolution */ CERROR("Can't resolve route for %s: %d\n", libcfs_nid2str(peer->ibp_nid), rc); -- 1.8.3.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel