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[Qemu-devel] [PATCH v23 10/32] check NULL input for qemu_opts_del
From: |
Chunyan Liu |
Subject: |
[Qemu-devel] [PATCH v23 10/32] check NULL input for qemu_opts_del |
Date: |
Fri, 21 Mar 2014 18:12:21 +0800 |
To simplify later using of qemu_opts_del, accept NULL input.
Signed-off-by: Chunyan Liu <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 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