From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58860) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WVeLS-00037T-A1 for qemu-devel@nongnu.org; Thu, 03 Apr 2014 05:54:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WVeLM-0006lc-8o for qemu-devel@nongnu.org; Thu, 03 Apr 2014 05:54:02 -0400 Received: from victor.provo.novell.com ([137.65.250.26]:54164) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WVeLM-0006lJ-3H for qemu-devel@nongnu.org; Thu, 03 Apr 2014 05:53:56 -0400 From: Chunyan Liu Date: Thu, 3 Apr 2014 17:54:28 +0800 Message-Id: <1396518889-21681-11-git-send-email-cyliu@suse.com> In-Reply-To: <1396518889-21681-1-git-send-email-cyliu@suse.com> References: <1396518889-21681-1-git-send-email-cyliu@suse.com> Subject: [Qemu-devel] [PATCH v24 10/31] 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: l@dorileo.org, stefanha@redhat.com To simplify later using of qemu_opts_del, accept NULL input. Reviewed-by: Eric Blake 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 c9df671..c4c7545 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -1010,6 +1010,10 @@ 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