LU-8320 llog: prevent llog ID re-use.

[fs/lustre-release.git] / lustre / obdclass / llog.c

diff --git a/lustre/obdclass/llog.c b/lustre/obdclass/llog.c
index 0ab7a34..f7c398e 100644 (file)
--- a/lustre/obdclass/llog.c
+++ b/lustre/obdclass/llog.c
@@ -898,11 +898,29 @@ int llog_write_rec(const struct lu_env *env, struct llog_handle *handle,
 
        ENTRY;
 
+       /* API sanity checks */
+       if (handle == NULL) {
+               CERROR("loghandle is missed\n");
+               RETURN(-EPROTO);
+       } else if (handle->lgh_obj == NULL) {
+               CERROR("loghandle %p with NULL object\n",
+                       handle);
+               RETURN(-EPROTO);
+       } else if (th == NULL) {
+               CERROR("%s: missed transaction handle\n",
+                       handle->lgh_obj->do_lu.lo_dev->ld_obd->obd_name);
+               RETURN(-EPROTO);
+       } else if (handle->lgh_hdr == NULL) {
+               CERROR("%s: loghandle %p with no header\n",
+                       handle->lgh_obj->do_lu.lo_dev->ld_obd->obd_name,
+                       handle);
+               RETURN(-EPROTO);
+       }
+
        rc = llog_handle2ops(handle, &lop);
        if (rc)
                RETURN(rc);
 
-       LASSERT(lop);
        if (lop->lop_write_rec == NULL)
                RETURN(-EOPNOTSUPP);