[PATCH] fix a segfault in sandbox.c if handle->dlcb is null

diff --git a/lib/libalpm/sandbox.c b/lib/libalpm/sandbox.c index 1e96dc00..cdc01dc7 100644 --- a/lib/libalpm/sandbox.c +++ b/lib/libalpm/sandbox.c @@ -235,7 +235,9 @@ bool _alpm_sandbox_process_cb_download(alpm_handle_t *handle, int callback_pipe) ASSERT(read_from_pipe(callback_pipe, filename, filename_size) != -1, FREE(filename); return false); filename[filename_size] = '\0'; - handle->dlcb(handle->dlcb_ctx, filename, type, &cb_data); + if(handle->dlcb) { + handle->dlcb(handle->dlcb_ctx, filename, type, &cb_data); + } FREE(filename); return true; }