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staging: lustre: lov: ld_target could be NULL

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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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bobi Jam 2017-01-28 19:05:03 -05:00 committed by Greg Kroah-Hartman
parent ff27098bba
commit 098b325b8f
1 changed files with 7 additions and 0 deletions
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7
drivers/staging/lustre/lustre/lov/lov_object.c
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@ -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);