From 74bdf2734950f6ed7dfebfa16d9fd1424324ea50 Mon Sep 17 00:00:00 2001
From: adilger <adilger>
Date: Fri, 18 Oct 2002 07:34:23 +0000
Subject: [PATCH] Add a minor check to the punch call.

---
 lustre/ost/ost_handler.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lustre/ost/ost_handler.c b/lustre/ost/ost_handler.c
index 541e3e1..4ea6dea 100644
--- a/lustre/ost/ost_handler.c
+++ b/lustre/ost/ost_handler.c
@@ -166,6 +166,10 @@ static int ost_punch(struct ptlrpc_request *req)
 
         body = lustre_msg_buf(req->rq_reqmsg, 0);
 
+        if (!(body->oa.o_valid & OBD_MD_FLSIZE) ||
+            !(body->oa.o_valid & OBD_MD_FLBLOCKS))
+                RETURN(-EINVAL);
+
         rc = lustre_pack_msg(1, &size, NULL, &req->rq_replen, &req->rq_repmsg);
         if (rc)
                 RETURN(rc);
-- 
1.8.3.1