From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53523) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WwV3O-0004E7-80 for qemu-devel@nongnu.org; Mon, 16 Jun 2014 07:26:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WwV3J-0001ul-Po for qemu-devel@nongnu.org; Mon, 16 Jun 2014 07:26:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:31271) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WwV3J-0001ub-9N for qemu-devel@nongnu.org; Mon, 16 Jun 2014 07:26:17 -0400 From: Stefan Hajnoczi Date: Mon, 16 Jun 2014 19:23:41 +0800 Message-Id: <1402917843-6459-18-git-send-email-stefanha@redhat.com> In-Reply-To: <1402917843-6459-1-git-send-email-stefanha@redhat.com> References: <1402917843-6459-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 17/39] QemuOpts: check NULL input for qemu_opts_del List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Chunyan Liu , Stefan Hajnoczi From: Chunyan Liu To simplify later using of qemu_opts_del, accept NULL input. Reviewed-by: Stefan Hajnoczi Reviewed-by: Eric Blake Reviewed-by: Leandro Dorileo Signed-off-by: Chunyan Liu Signed-off-by: Stefan Hajnoczi --- util/qemu-option.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/util/qemu-option.c b/util/qemu-option.c index 6acfb0e..40e1ff3 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -1011,6 +1011,10 @@ void qemu_opts_del(QemuOpts *opts) { QemuOpt *opt; + if (opts == NULL) { + return; + } + for (;;) { opt = QTAILQ_FIRST(&opts->head); if (opt == NULL) -- 1.9.3