settings parser: Don't crash if trying to expand a setting under strlist.

--HG--
branch : HEAD

diff --git a/src/lib-settings/settings-parser.c b/src/lib-settings/settings-parser.c
index fb828444682fdbed8b50da692c490141a2f9f501..b961848d8beb4d20abf351d41d345eb96536a873 100644 (file)
--- a/src/lib-settings/settings-parser.c
+++ b/src/lib-settings/settings-parser.c
@@ -834,6 +834,10 @@ void settings_parse_set_key_expandeded(struct setting_parser_context *ctx,
 
        if (!settings_find_key(ctx, key, &def, &link))
                return;
+       if (link->info == &strlist_info) {
+               /* parent is strlist, no expansion needed */
+               return;
+       }
 
        val = PTR_OFFSET(link->set_struct, def->offset);
        if (def->type == SET_STR_VARS && *val != NULL) {