From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54551) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQwR5-000624-BK for qemu-devel@nongnu.org; Fri, 21 Mar 2014 06:12:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WQwQy-0007U0-Gu for qemu-devel@nongnu.org; Fri, 21 Mar 2014 06:12:23 -0400 Received: from victor.provo.novell.com ([137.65.250.26]:46095) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQwQy-0007Te-Bg for qemu-devel@nongnu.org; Fri, 21 Mar 2014 06:12:16 -0400 From: Chunyan Liu Date: Fri, 21 Mar 2014 18:12:21 +0800 Message-Id: <1395396763-26081-11-git-send-email-cyliu@suse.com> In-Reply-To: <1395396763-26081-1-git-send-email-cyliu@suse.com> References: <1395396763-26081-1-git-send-email-cyliu@suse.com> Subject: [Qemu-devel] [PATCH v23 10/32] 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: stefanha@redhat.com To simplify later using of qemu_opts_del, accept NULL input. Signed-off-by: Chunyan Liu --- util/qemu-option.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/util/qemu-option.c b/util/qemu-option.c index 6c304b2..e9802f3 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -990,6 +990,10 @@ void qemu_opts_del(QemuOpts *opts) { QemuOpt *opt; + if (opts == NULL) { + return; + } + for (;;) { opt = QTAILQ_FIRST(&opts->head); if (opt == NULL) -- 1.7.12.4