From: johann <johann>
Date: Tue, 3 Mar 2009 13:57:01 +0000 (+0000)
Subject: Branch b1_8
X-Git-Tag: v1_8_0_110~224
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=eed5fbd121582a9e1ce4668ac4b60eddbf76d35e;p=fs%2Flustre-release.git

Branch b1_8
b=18374
i=adilger
 i=shadow

use memmove instead of memcpy when shrinking the reply since the two
memory areas can overlap.
---

diff --git a/lustre/ptlrpc/pack_generic.c b/lustre/ptlrpc/pack_generic.c
index 863d821..7a1bf08 100644
--- a/lustre/ptlrpc/pack_generic.c
+++ b/lustre/ptlrpc/pack_generic.c
@@ -670,7 +670,7 @@ void lustre_shrink_reply_v2(struct ptlrpc_request *req, int segment,
                 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
                 LASSERT(newpos <= tail);
                 if (newpos != tail)
-                        memcpy(newpos, tail, tail_len);
+                        memmove(newpos, tail, tail_len);
         }
 
         if (newlen == 0 && msg->lm_bufcount > segment + 1) {