# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1628175603 -7200
# Node ID d84f6784c27cff147f77a184b9b823ff858da0d9
# Parent  bb806540f72ebacff2e7e9e9da3d15716839c3f5
patch 8.2.3294: Lua: memory leak when adding dict item fails

Commit: https://github.com/vim/vim/commit/1b6acf02b7e685ecb87ccba52c91835a7519073e
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Aug 5 16:47:08 2021 +0200

    patch 8.2.3294: Lua: memory leak when adding dict item fails

    Problem:    Lua: memory leak when adding dict item fails.
    Solution:   Free the typval and the dict item.

diff --git a/src/if_lua.c b/src/if_lua.c
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -1859,12 +1859,20 @@ luaV_setvar(lua_State *L)
 	    // Need to create an entry
 	    di = dictitem_alloc((char_u *)name);
 	    if (di == NULL)
+	    {
+		clear_tv(&tv);
 		return 0;
+	    }
 	    // Update the value
 	    copy_tv(&tv, &di->di_tv);
 	    if (dict_add(dict, di) == FAIL)
+	    {
+		dictitem_free(di);
+		clear_tv(&tv);
 		return luaL_error(L, "Couldn't add to dictionary");
-	} else
+	    }
+	}
+	else
 	{
 	    // Clear the old value
 	    clear_tv(&di->di_tv);
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3294,
+/**/
     3293,
 /**/
     3292,