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Diffstat (limited to 'hw/qdev.c')
-rw-r--r--hw/qdev.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/hw/qdev.c b/hw/qdev.c
index c64357603d..f47f0cb973 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -153,6 +153,24 @@ static int set_property(const char *name, const char *value, void *opaque)
return 0;
}
+int qdev_device_help(QemuOpts *opts)
+{
+ const char *driver;
+ DeviceInfo *info;
+ char msg[256];
+
+ driver = qemu_opt_get(opts, "driver");
+ if (driver && !strcmp(driver, "?")) {
+ for (info = device_info_list; info != NULL; info = info->next) {
+ qdev_print_devinfo(info, msg, sizeof(msg));
+ qemu_error("%s\n", msg);
+ }
+ return 1;
+ }
+
+ return 0;
+}
+
DeviceState *qdev_device_add(QemuOpts *opts)
{
const char *driver, *path, *id;
@@ -165,14 +183,6 @@ DeviceState *qdev_device_add(QemuOpts *opts)
qemu_error("-device: no driver specified\n");
return NULL;
}
- if (strcmp(driver, "?") == 0) {
- char msg[256];
- for (info = device_info_list; info != NULL; info = info->next) {
- qdev_print_devinfo(info, msg, sizeof(msg));
- qemu_error("%s\n", msg);
- }
- return NULL;
- }
/* find driver */
info = qdev_find_info(NULL, driver);
@@ -726,7 +736,7 @@ void do_device_add(Monitor *mon, const QDict *qdict)
opts = qemu_opts_parse(&qemu_device_opts,
qdict_get_str(qdict, "config"), "driver");
- if (opts)
+ if (opts && !qdev_device_help(opts))
qdev_device_add(opts);
}