test/librbd: avoid copying a byte unnecessarily

Signed-off-by: Ponnuvel Palaniyappan <pponnuvel@gmail.com>

diff --git a/src/test/librbd/fsx.cc b/src/test/librbd/fsx.cc
index cee2a08960223fac08c2017b672c0be748bfcb94..503e0b2af2db0cf7434e1c656026c50f5c6dda90 100644 (file)
--- a/src/test/librbd/fsx.cc
+++ b/src/test/librbd/fsx.cc
@@ -2437,11 +2437,12 @@ void clone_filename(char *buf, size_t len, int clones)
 
 void clone_imagename(char *buf, size_t len, int clones)
 {
-       if (clones > 0)
+       if (clones > 0) {
                snprintf(buf, len, "%s-clone%d", iname, clones);
-       else
-               strncpy(buf, iname, len);
-        buf[len - 1] = '\0';
+       } else {
+               strncpy(buf, iname, len - 1);
+               buf[len - 1] = '\0';
+       }
 }
 
 void replay_imagename(char *buf, size_t len, int clones)