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[Qemu-devel] [PATCH 04/10] qapi: shortcut visits on errors
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 04/10] qapi: shortcut visits on errors |
Date: |
Thu, 22 Mar 2012 12:51:06 +0100 |
We can exit very soon if we enter a visitor with a preexisting error.
This simplifies some cases because we will not have to deal with
obj being non-NULL while *obj is NULL.
Signed-off-by: Paolo Bonzini <address@hidden>
---
scripts/qapi-visit.py | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 54117d4..b242315 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -61,6 +61,9 @@ def generate_visit_struct(name, members):
void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error
**errp)
{
+ if (error_is_set(errp)) {
+ return;
+ }
visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s),
errp);
''',
name=name)
@@ -81,6 +84,9 @@ void visit_type_%(name)sList(Visitor *m, %(name)sList ** obj,
const char *name,
{
GenericList *i, **head = (GenericList **)obj;
+ if (error_is_set(errp)) {
+ return;
+ }
visit_start_list(m, name, errp);
for (*head = i = visit_next_list(m, head, errp); i; i = visit_next_list(m,
&i, errp)) {
@@ -112,6 +118,9 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const
char *name, Error **
{
Error *err = NULL;
+ if (error_is_set(errp)) {
+ return;
+ }
visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s),
&err);
visit_type_%(name)sKind(m, &(*obj)->kind, "type", &err);
if (err) {
--
1.7.9.1
- [Qemu-devel] [PATCH 00/10] QAPI minor fixes and strict mode, Paolo Bonzini, 2012/03/22
- [Qemu-devel] [PATCH 02/10] qapi: fail hard on stack imbalance, Paolo Bonzini, 2012/03/22
- [Qemu-devel] [PATCH 01/10] qapi: add a test case for type errors, Paolo Bonzini, 2012/03/22
- [Qemu-devel] [PATCH 04/10] qapi: shortcut visits on errors,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 03/10] qapi: fix memory leak on error, Paolo Bonzini, 2012/03/22
- [Qemu-devel] [PATCH 05/10] qapi: allow freeing partially-allocated objects, Paolo Bonzini, 2012/03/22
- [Qemu-devel] [PATCH 06/10] qapi: simplify qmp_input_next_list, Paolo Bonzini, 2012/03/22