staging/lustre/lov: don't crash accessing LOV object with FID{0, 0}

[karo-tx-linux.git] / drivers / staging / lustre / lustre / lov / lov_request.c

diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c
index 7358b9d29103c89dbff7719e69c92186c4bde1db..933e2d1f8127e13a37c116b3737a61bd188635e1 100644 (file)
--- a/drivers/staging/lustre/lustre/lov/lov_request.c
+++ b/drivers/staging/lustre/lustre/lov/lov_request.c
@@ -299,6 +299,9 @@ int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
                struct lov_request *req;
 
                loi = oinfo->oi_md->lsm_oinfo[i];
+               if (lov_oinfo_is_dummy(loi))
+                       continue;
+
                if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
                        CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
                        if (oinfo->oi_oa->o_valid & OBD_MD_FLEPOCH) {
@@ -384,6 +387,9 @@ int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
                struct lov_request *req;
 
                loi = lsm->lsm_oinfo[i];
+               if (lov_oinfo_is_dummy(loi))
+                       continue;
+
                if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
                        CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
                        continue;
@@ -497,6 +503,9 @@ int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
                struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
                struct lov_request *req;
 
+               if (lov_oinfo_is_dummy(loi))
+                       continue;
+
                if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
                        CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
                        continue;