diff options
| author | Yang Sheng <yang.sheng@intel.com> | 2015-03-25 21:53:22 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-26 11:10:25 +0100 |
| commit | 397632e467d195a268ac3c5adfd7de32e92bd864 (patch) | |
| tree | 8279ba6f7f489399ae4caf99c0cd6fad3d7fd3b2 /drivers/staging/lustre/lustre/lov/lov_object.c | |
| parent | 4345abb2c3b56eae9bcf4728dcdc0f584690c8aa (diff) | |
staging/lustre/lov: don't crash accessing LOV object with FID{0, 0}
Some object maybe has a corrupted LOV EA or a hole in
LOV EA. We should not crash client in such case.
Signed-off-by: Fan Yong <fan.yong@intel.com>
Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-on: http://review.whamcloud.com/12740
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4958
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/lov/lov_object.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/lov/lov_object.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c index d69a0354baf5..1fb1dfae6f72 100644 --- a/drivers/staging/lustre/lustre/lov/lov_object.c +++ b/drivers/staging/lustre/lustre/lov/lov_object.c @@ -230,6 +230,9 @@ static int lov_init_raid0(const struct lu_env *env, struct lov_oinfo *oinfo = lsm->lsm_oinfo[i]; int ost_idx = oinfo->loi_ost_idx; + if (lov_oinfo_is_dummy(oinfo)) + continue; + result = ostid_to_fid(ofid, &oinfo->loi_oi, oinfo->loi_ost_idx); if (result != 0) @@ -973,6 +976,10 @@ int lov_read_and_clear_async_rc(struct cl_object *clob) LASSERT(lsm != NULL); for (i = 0; i < lsm->lsm_stripe_count; i++) { struct lov_oinfo *loi = lsm->lsm_oinfo[i]; + + if (lov_oinfo_is_dummy(loi)) + continue; + if (loi->loi_ar.ar_rc && !rc) rc = loi->loi_ar.ar_rc; loi->loi_ar.ar_rc = 0; |