diff mbox

[v25,10/31] QemuOpts: check NULL input for qemu_opts_del

Message ID 1397152467-17186-11-git-send-email-cyliu@suse.com
State New
Headers show

Commit Message

Chunyan Liu April 10, 2014, 5:54 p.m. UTC 
To simplify later using of qemu_opts_del, accept NULL input.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
---
 util/qemu-option.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Stefan Hajnoczi April 25, 2014, 12:26 p.m. UTC | #1 
On Fri, Apr 11, 2014 at 01:54:06AM +0800, Chunyan Liu wrote:
> To simplify later using of qemu_opts_del, accept NULL input.
> 
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Signed-off-by: Chunyan Liu <cyliu@suse.com>
> ---
>  util/qemu-option.c | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox

Patch

diff --git a/util/qemu-option.c b/util/qemu-option.c
index d1e4d94..6222cd6 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)