diff --git a/main/slinfactory.c b/main/slinfactory.c index 25d232a377cf33665df2b5fdac0a66f3337c9203..f8354603a052c971f7f52255cd670c539a22d6fc 100644 --- a/main/slinfactory.c +++ b/main/slinfactory.c @@ -61,6 +61,7 @@ int ast_slinfactory_feed(struct ast_slinfactory *sf, struct ast_frame *f) ast_translator_free_path(sf->trans); sf->trans = NULL; } + if (!sf->trans) { if (!(sf->trans = ast_translator_build_path(AST_FORMAT_SLINEAR, f->subclass))) { ast_log(LOG_WARNING, "Cannot build a path from %s to slin\n", ast_getformatname(f->subclass)); @@ -68,7 +69,15 @@ int ast_slinfactory_feed(struct ast_slinfactory *sf, struct ast_frame *f) } sf->format = f->subclass; } - if (!(begin_frame = ast_translate(sf->trans, f, 0)) || !(duped_frame = ast_frdup(begin_frame))) + + if (!(begin_frame = ast_translate(sf->trans, f, 0))) + return 0; + + duped_frame = ast_frdup(begin_frame); + + ast_frfree(begin_frame); + + if (!duped_frame) return 0; } else { if (sf->trans) {