From: Gonglei <arei.gong...@huawei.com>
Reproducer:
#./qemu-system-x86_64 -vnc :0,ip
qemu-system-x86_64: -vnc :1,ip: Invalid parameter 'ip'
Segmentation fault (core dumped)
Signed-off-by: Gonglei <arei.gong...@huawei.com>
---
v2: remove useless initialization for variable id. (mjt)
---
ui/vnc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/ui/vnc.c b/ui/vnc.c
index 4b6ef1e..c5853d4 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3698,8 +3698,13 @@ QemuOpts *vnc_parse_func(const char *str)
{
QemuOptsList *olist = qemu_find_opts("vnc");
QemuOpts *opts = qemu_opts_parse(olist, str, 1);
- const char *id = qemu_opts_id(opts);
+ const char *id;
+ if (!opts) {
+ return NULL;
+ }
+
+ id = qemu_opts_id(opts);
if (!id) {
/* auto-assign id if not present */
vnc_auto_assign_id(olist, opts);
--
1.7.12.4
