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Diffstat (limited to 'monitor.c')
-rw-r--r--monitor.c60
1 files changed, 38 insertions, 22 deletions
diff --git a/monitor.c b/monitor.c
index baedc34a3f..37a2a48daf 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1027,8 +1027,8 @@ static int do_block_set_passwd(Monitor *mon, const QDict *qdict,
return 0;
}
-static void do_change_block(Monitor *mon, const char *device,
- const char *filename, const char *fmt)
+static int do_change_block(Monitor *mon, const char *device,
+ const char *filename, const char *fmt)
{
BlockDriverState *bs;
BlockDriver *drv = NULL;
@@ -1036,26 +1036,32 @@ static void do_change_block(Monitor *mon, const char *device,
bs = bdrv_find(device);
if (!bs) {
qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
- return;
+ return -1;
}
if (fmt) {
drv = bdrv_find_whitelisted_format(fmt);
if (!drv) {
qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
- return;
+ return -1;
}
}
- if (eject_device(mon, bs, 0) < 0)
- return;
- bdrv_open2(bs, filename, BDRV_O_RDWR, drv);
- monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
+ if (eject_device(mon, bs, 0) < 0) {
+ return -1;
+ }
+ if (bdrv_open2(bs, filename, BDRV_O_RDWR, drv) < 0) {
+ return -1;
+ }
+ return monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
}
-static void change_vnc_password(const char *password)
+static int change_vnc_password(const char *password)
{
- if (vnc_display_password(NULL, password) < 0)
+ if (vnc_display_password(NULL, password) < 0) {
qemu_error_new(QERR_SET_PASSWD_FAILED);
+ return -1;
+ }
+ return 0;
}
static void change_vnc_password_cb(Monitor *mon, const char *password,
@@ -1065,7 +1071,7 @@ static void change_vnc_password_cb(Monitor *mon, const char *password,
monitor_read_command(mon, 1);
}
-static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
+static int do_change_vnc(Monitor *mon, const char *target, const char *arg)
{
if (strcmp(target, "passwd") == 0 ||
strcmp(target, "password") == 0) {
@@ -1073,29 +1079,37 @@ static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
char password[9];
strncpy(password, arg, sizeof(password));
password[sizeof(password) - 1] = '\0';
- change_vnc_password(password);
+ return change_vnc_password(password);
} else {
- monitor_read_password(mon, change_vnc_password_cb, NULL);
+ return monitor_read_password(mon, change_vnc_password_cb, NULL);
}
} else {
- if (vnc_display_open(NULL, target) < 0)
+ if (vnc_display_open(NULL, target) < 0) {
qemu_error_new(QERR_VNC_SERVER_FAILED, target);
+ return -1;
+ }
}
+
+ return 0;
}
/**
* do_change(): Change a removable medium, or VNC configuration
*/
-static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
+static int do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
const char *device = qdict_get_str(qdict, "device");
const char *target = qdict_get_str(qdict, "target");
const char *arg = qdict_get_try_str(qdict, "arg");
+ int ret;
+
if (strcmp(device, "vnc") == 0) {
- do_change_vnc(mon, target, arg);
+ ret = do_change_vnc(mon, target, arg);
} else {
- do_change_block(mon, device, target, arg);
+ ret = do_change_block(mon, device, target, arg);
}
+
+ return ret;
}
static void do_screen_dump(Monitor *mon, const QDict *qdict)
@@ -4554,21 +4568,21 @@ static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
monitor_read_command(mon, 1);
}
-void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
- BlockDriverCompletionFunc *completion_cb,
- void *opaque)
+int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
+ BlockDriverCompletionFunc *completion_cb,
+ void *opaque)
{
int err;
if (!bdrv_key_required(bs)) {
if (completion_cb)
completion_cb(opaque, 0);
- return;
+ return 0;
}
if (monitor_ctrl_mode(mon)) {
qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
- return;
+ return -1;
}
monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
@@ -4581,6 +4595,8 @@ void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
if (err && completion_cb)
completion_cb(opaque, err);
+
+ return err;
}
typedef struct QemuErrorSink QemuErrorSink;