Messages in this thread Patch in this message | | | From | James Simmons <> | Subject | [PATCH 35/60] staging: lustre: lov: ld_target could be NULL | Date | Sat, 28 Jan 2017 19:05:03 -0500 |
| |
From: Bobi Jam <bobijam.xu@intel.com>
lov_device::ld_target[ost_idx] could be NULL if the OST target is not filled in lov_device::ld_lov::lov_tgt_desc[ost_idx] yet.
Signed-off-by: Bobi Jam <bobijam.xu@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8018 Reviewed-on: http://review.whamcloud.com/21411 Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> --- drivers/staging/lustre/lustre/lov/lov_object.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c index 9c4b5ab..977579c 100644 --- a/drivers/staging/lustre/lustre/lov/lov_object.c +++ b/drivers/staging/lustre/lustre/lov/lov_object.c @@ -266,6 +266,13 @@ static int lov_init_raid0(const struct lu_env *env, struct lov_device *dev, if (result != 0) goto out; + if (!dev->ld_target[ost_idx]) { + CERROR("%s: OST %04x is not initialized\n", + lov2obd(dev->ld_lov)->obd_name, ost_idx); + result = -EIO; + goto out; + } + subdev = lovsub2cl_dev(dev->ld_target[ost_idx]); subconf->u.coc_oinfo = oinfo; LASSERTF(subdev, "not init ost %d\n", ost_idx); -- 1.8.3.1
| |