[Qemu-devel] [RFC v2 4/7] introduce qemu_opts_create_nofail function

[Dong Xu Wang <wdongxu@linux.vnet.ibm.com>]

While id is NULL, qemu_opts_create can not fail, so ignore
errors is fine.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
---
 qemu-option.c |    5 +++++
 qemu-option.h |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/qemu-option.c b/qemu-option.c
index b7baacc..818408b 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -763,6 +763,11 @@ QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id,
     return opts;
 }
 
+QemuOpts *qemu_opts_create_nofail(QemuOptsList *list)
+{
+    return qemu_opts_create(list, NULL, 0, NULL);
+}
+
 void qemu_opts_reset(QemuOptsList *list)
 {
     QemuOpts *opts, *next_opts;
diff --git a/qemu-option.h b/qemu-option.h
index ca72986..b0f8d1e 100644
--- a/qemu-option.h
+++ b/qemu-option.h
@@ -133,6 +133,7 @@ int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
 QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
 QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id,
                            int fail_if_exists, Error **errp);
+QemuOpts *qemu_opts_create_nofail(QemuOptsList *list);
 void qemu_opts_reset(QemuOptsList *list);
 void qemu_opts_loc_restore(QemuOpts *opts);
 int qemu_opts_set(QemuOptsList *list, const char *id,
-- 
1.7.1