[Qemu-devel] [RFC v2 5/7] use qemu_opts_create_nofail

[Dong Xu Wang]

use qemu_opts_create_nofail while id is NULL.

Signed-off-by: Dong Xu Wang <address@hidden>
---
 blockdev.c     |    2 +-
 hw/watchdog.c  |    2 +-
 qemu-config.c  |    4 ++--
 qemu-img.c     |    2 +-
 qemu-sockets.c |    8 ++++----
 vl.c           |    6 +++---
 6 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index 7c83baa..1d0fe0f 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -559,7 +559,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi)
         break;
     case IF_VIRTIO:
         /* add virtio block device */
-        opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
+        opts = qemu_opts_create_nofail(qemu_find_opts("device"));
         if (arch_type == QEMU_ARCH_S390X) {
             qemu_opt_set(opts, "driver", "virtio-blk-s390");
         } else {
diff --git a/hw/watchdog.c b/hw/watchdog.c
index b52aced..5c82c17 100644
--- a/hw/watchdog.c
+++ b/hw/watchdog.c
@@ -66,7 +66,7 @@ int select_watchdog(const char *p)
     QLIST_FOREACH(model, &watchdog_list, entry) {
         if (strcasecmp(model->wdt_name, p) == 0) {
             /* add the device */
-            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
+            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
             qemu_opt_set(opts, "driver", p);
             return 0;
         }
diff --git a/qemu-config.c b/qemu-config.c
index 12eafbb..6e3718e 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -762,7 +762,7 @@ int qemu_global_option(const char *str)
         return -1;
     }
 
-    opts = qemu_opts_create(&qemu_global_opts, NULL, 0, NULL);
+    opts = qemu_opts_create_nofail(&qemu_global_opts);
     qemu_opt_set(opts, "driver", driver);
     qemu_opt_set(opts, "property", property);
     qemu_opt_set(opts, "value", str+offset+1);
@@ -849,7 +849,7 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const 
char *fname)
                 error_free(local_err);
                 goto out;
             }
-            opts = qemu_opts_create(list, NULL, 0, NULL);
+            opts = qemu_opts_create_nofail(list);
             continue;
         }
         if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
diff --git a/qemu-img.c b/qemu-img.c
index f17f187..f1c224e 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1778,7 +1778,7 @@ static int img_resize(int argc, char **argv)
     }
 
     /* Parse size */
-    param = qemu_opts_create(&resize_options, NULL, 0, NULL);
+    param = qemu_opts_create_nofail(&resize_options);
     if (qemu_opt_set(param, BLOCK_OPT_SIZE, size)) {
         /* Error message already printed when size parsing fails */
         ret = -1;
diff --git a/qemu-sockets.c b/qemu-sockets.c
index 361d890..a576a24 100644
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -469,7 +469,7 @@ int inet_listen(const char *str, char *ostr, int olen,
     char *optstr;
     int sock = -1;
 
-    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
+    opts = qemu_opts_create_nofail(&dummy_opts);
     if (inet_parse(opts, str) == 0) {
         sock = inet_listen_opts(opts, port_offset, errp);
         if (sock != -1 && ostr) {
@@ -498,7 +498,7 @@ int inet_connect(const char *str, bool block, bool 
*in_progress, Error **errp)
     QemuOpts *opts;
     int sock = -1;
 
-    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
+    opts = qemu_opts_create_nofail(&dummy_opts);
     if (inet_parse(opts, str) == 0) {
         if (block) {
             qemu_opt_set(opts, "block", "on");
@@ -597,7 +597,7 @@ int unix_listen(const char *str, char *ostr, int olen)
     char *path, *optstr;
     int sock, len;
 
-    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
+    opts = qemu_opts_create_nofail(&dummy_opts);
 
     optstr = strchr(str, ',');
     if (optstr) {
@@ -625,7 +625,7 @@ int unix_connect(const char *path)
     QemuOpts *opts;
     int sock;
 
-    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
+    opts = qemu_opts_create_nofail(&dummy_opts);
     qemu_opt_set(opts, "path", path);
     sock = unix_connect_opts(opts);
     qemu_opts_del(opts);
diff --git a/vl.c b/vl.c
index 7c577fa..e13aead 100644
--- a/vl.c
+++ b/vl.c
@@ -1863,7 +1863,7 @@ static int balloon_parse(const char *arg)
                 return  -1;
         } else {
             /* create empty opts */
-            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
+            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
         }
         qemu_opt_set(opts, "driver", "virtio-balloon");
         return 0;
@@ -2111,14 +2111,14 @@ static int virtcon_parse(const char *devname)
         exit(1);
     }
 
-    bus_opts = qemu_opts_create(device, NULL, 0, NULL);
+    bus_opts = qemu_opts_create_nofail(device);
     if (arch_type == QEMU_ARCH_S390X) {
         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
     } else {
         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
     } 
 
-    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
+    dev_opts = qemu_opts_create_nofail(device);
     qemu_opt_set(dev_opts, "driver", "virtconsole");
 
     snprintf(label, sizeof(label), "virtcon%d", index);
-- 
1.7.1