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

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

diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c
index d69a0354baf51a4875b1cb0dfeebc830c4ed8928..1fb1dfae6f72542dcea8f3b0fe5408768b7d78cb 100644 (file)
--- 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;