Do not reset input ring if one exists

Fixes: debbugs:18599

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/erc/ChangeLog b/lisp/erc/ChangeLog
index 1ea79dbbc1a..e4f65895de9 100644
--- a/lisp/erc/ChangeLog
+++ b/lisp/erc/ChangeLog
@@ -1,3 +1,7 @@
+2014-10-02  Kelvin White  <kwhite@gnu.org>
+
+        * erc-ring.el (erc-input-ring-setup): Fixes Bug #18599
+
 2014-09-30  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * erc-track.el (erc-modified-channels-display): Update all mode lines
diff --git a/lisp/erc/erc-ring.el b/lisp/erc/erc-ring.el
index 1762700ff36..682585c53bb 100644
--- a/lisp/erc/erc-ring.el
+++ b/lisp/erc/erc-ring.el
@@ -67,7 +67,8 @@ variable.")
 (defun erc-input-ring-setup ()
   "Do the setup required so that we can use comint style input rings.
 Call this function when setting up the mode."
-  (setq erc-input-ring (make-ring comint-input-ring-size))
+  (unless (ring-p erc-input-ring)
+    (setq erc-input-ring (make-ring comint-input-ring-size)))
   (setq erc-input-ring-index nil))
 
 (defun erc-add-to-input-ring (s)