From e7d5fddc8298132382124c5aa99182965441e819 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zyan@redhat.com>
Date: Fri, 16 Jan 2015 10:16:44 +0800
Subject: [PATCH] client: fix getting zero-length xattr

Fixes: #10552
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---
 src/client/Client.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/Client.cc b/src/client/Client.cc
index bd7c5caf57f..e62ab1f816d 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -8377,7 +8377,7 @@ int Client::_getxattr(Inode *in, const char *name, void *value, size_t size,
     r = -ENODATA;
     if (in->xattrs.count(n)) {
       r = in->xattrs[n].length();
-      if (size != 0) {
+      if (r > 0 && size != 0) {
 	if (size >= (unsigned)r)
 	  memcpy(value, in->xattrs[n].c_str(), r);
 	else
-- 
2.47.3