commit eef5ad1086403d8ac8d91208a0e8dc34734b671c
author Luiz Capitulino <lcapitulino@redhat.com> Mon Aug 06 15:49:34 2012 -0300
committer Luiz Capitulino <lcapitulino@redhat.com> Mon Aug 13 13:20:31 2012 -0300
tree 6732856b9a4fe9726488d43f1b08462c6c159c8e
parent 8b7f6fbbdc5545f749864fdf295f2fae14c7ef0a

hmp_change(): don't access DeviceEncrypted's data

It's not needed. As the device name is already known, we can replace
the duplicated password prompting code by monitor_read_block_device_key().

This overly simplifies hmp_change().

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

hmp.c

diff --git a/hmp.c b/hmp.c
index 4efaf51..54c37d7 100644
--- a/hmp.c
+++ b/hmp.c
@@ -776,22 +776,6 @@
     monitor_read_command(mon, 1);
 }
 
-static void cb_hmp_change_bdrv_pwd(Monitor *mon, const char *password,
-                                   void *opaque)
-{
-    Error *encryption_err = opaque;
-    Error *err = NULL;
-    const char *device;
-
-    device = error_get_field(encryption_err, "device");
-
-    qmp_block_passwd(device, password, &err);
-    hmp_handle_error(mon, &err);
-    error_free(encryption_err);
-
-    monitor_read_command(mon, 1);
-}
-
 void hmp_change(Monitor *mon, const QDict *qdict)
 {
     const char *device = qdict_get_str(qdict, "device");
@@ -810,17 +794,8 @@
 
     qmp_change(device, target, !!arg, arg, &err);
     if (error_is_type(err, QERR_DEVICE_ENCRYPTED)) {
-        monitor_printf(mon, "%s (%s) is encrypted.\n",
-                       error_get_field(err, "device"),
-                       error_get_field(err, "filename"));
-        if (!monitor_get_rs(mon)) {
-            monitor_printf(mon,
-                    "terminal does not support password prompting\n");
-            error_free(err);
-            return;
-        }
-        readline_start(monitor_get_rs(mon), "Password: ", 1,
-                       cb_hmp_change_bdrv_pwd, err);
+        error_free(err);
+        monitor_read_block_device_key(mon, device, NULL, NULL);
         return;
     }
     hmp_handle_error(mon, &err);