client: double mount returns -EISCONN

Change error code from -EDOM to -EISCONN when mounting an already
mounted ceph_mount_info instance.  The current convention is to return
-ENOTCONN when using the libcephfs interface in an unmounted state.

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libcephfs.cc b/src/libcephfs.cc
index 69fca3f6a39..d589633f5aa 100644
--- a/src/libcephfs.cc
+++ b/src/libcephfs.cc
@@ -67,7 +67,7 @@ public:
     int ret;
     
     if (mounted)
-      return -EDOM;
+      return -EISCONN;
 
     common_init_finish(cct);