From: Gui Hecheng <guihecheng@cmss.chinamobile.com>
Date: Mon, 20 Mar 2017 02:53:46 +0000 (+0800)
Subject: rgw_file: fix non-negative return code for open operation
X-Git-Tag: v10.2.7~5^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3c02ee4fe9ae70f30328a7b015f5cac4a1804c67;p=ceph.git

rgw_file: fix non-negative return code for open operation

The nfs-ganesha expects a negative retcode for errors.

Signed-off-by: Gui Hecheng <guihecheng@cmss.chinamobile.com>
(cherry picked from commit b5f70ef7b066f9ff44770cc8a50ccadaa02f4691)
---

diff --git a/src/rgw/rgw_file.h b/src/rgw/rgw_file.h
index d9fc942159d0..8fb093010270 100644
--- a/src/rgw/rgw_file.h
+++ b/src/rgw/rgw_file.h
@@ -477,7 +477,7 @@ namespace rgw {
     bool deleted() const { return flags & FLAG_DELETED; }
     bool stateless_open() const { return flags & FLAG_STATELESS_OPEN; }
 
-    uint32_t open(uint32_t gsh_flags) {
+    int open(uint32_t gsh_flags) {
       lock_guard guard(mtx);
       if (! (flags & FLAG_OPEN)) {
 	if (gsh_flags & RGW_OPEN_FLAG_V3) {
@@ -486,7 +486,7 @@ namespace rgw {
 	flags |= FLAG_OPEN;
 	return 0;
       }
-      return EPERM;
+      return -EPERM;
     }
 
     int readdir(rgw_readdir_cb rcb, void *cb_arg, uint64_t *offset, bool *eof,