[Qemu-devel] [PATCH V17 8/9] qemu-option: make qemu_opts_del accept opts being NULL

[Dong Xu Wang]

Signed-off-by: Dong Xu Wang <address@hidden>
---
 util/qemu-option.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util/qemu-option.c b/util/qemu-option.c
index 7545486..f4a0282 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -656,6 +656,10 @@ void qemu_opts_del(QemuOpts *opts)
 {
     QemuOpt *opt;
 
+    if (!opts) {
+        return;
+    }
+
     for (;;) {
         opt = QTAILQ_FIRST(&opts->head);
         if (opt == NULL)
-- 
1.7.11.7