From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40438) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WhyZT-0003IH-Jl for qemu-devel@nongnu.org; Wed, 07 May 2014 05:55:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WhyZN-0002WJ-Pu for qemu-devel@nongnu.org; Wed, 07 May 2014 05:55:27 -0400 Received: from victor.provo.novell.com ([137.65.250.26]:39043) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WhyZN-0002W3-LJ for qemu-devel@nongnu.org; Wed, 07 May 2014 05:55:21 -0400 From: Chunyan Liu Date: Wed, 7 May 2014 17:54:14 +0800 Message-Id: <1399456476-10786-12-git-send-email-cyliu@suse.com> In-Reply-To: <1399456476-10786-1-git-send-email-cyliu@suse.com> References: <1399456476-10786-1-git-send-email-cyliu@suse.com> Subject: [Qemu-devel] [PATCH v27 11/33] 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: Stefan Hajnoczi Reviewed-by: Eric Blake Reviewed-by: Leandro Dorileo 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 e15723a..71415ee 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