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qapi-commands: Drop useless initialization

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In generated command handlers, the assignment to retval dominates its
only use.  Therefore, its initialization is useless.  Drop it.

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2015-07-31 18:51:18 +02:00
parent 1f9a7a1a58
commit 3f99144cd9
2 changed files with 3 additions and 7 deletions
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2
docs/qapi-code-gen.txt
View File

@ -742,7 +742,7 @@ Example:
static void qmp_marshal_input_my_command(QDict *args, QObject **ret, Error **errp)
{
Error *local_err = NULL;
UserDefOne *retval = NULL;
UserDefOne *retval;
QmpInputVisitor *mi = qmp_input_visitor_new_strict(QOBJECT(args));
QapiDeallocVisitor *md;
Visitor *v;

8
scripts/qapi-commands.py
View File

@ -205,14 +205,10 @@ def gen_marshal_input(name, args, ret_type, middle_mode):
header=hdr)
if ret_type:
if is_c_ptr(ret_type):
retval = " %s retval = NULL;" % c_type(ret_type)
else:
retval = " %s retval;" % c_type(ret_type)
ret += mcgen('''
%(retval)s
%(c_type)s retval;
''',
retval=retval)
c_type=c_type(ret_type))
if len(args) > 0:
ret += gen_visitor_input_containers_decl(args)