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[Qemu-devel] [PATCH 05/13] qapi: fix memory leak on error
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PATCH 05/13] qapi: fix memory leak on error |
Date: |
Tue, 27 Mar 2012 09:20:43 -0300 |
From: Paolo Bonzini <address@hidden>
QmpInputVisitor would leak the malloced struct if the stack was
overflowed. This can be easily fixed using error_propagate.
Signed-off-by: Paolo Bonzini <address@hidden>
Reviewed-by: Anthony Liguori <address@hidden>
Signed-off-by: Luiz Capitulino <address@hidden>
---
qapi/qmp-input-visitor.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c
index b4013cc..ef9288f 100644
--- a/qapi/qmp-input-visitor.c
+++ b/qapi/qmp-input-visitor.c
@@ -86,6 +86,7 @@ static void qmp_input_start_struct(Visitor *v, void **obj,
const char *kind,
{
QmpInputVisitor *qiv = to_qiv(v);
const QObject *qobj = qmp_input_get_object(qiv, name);
+ Error *err = NULL;
if (!qobj || qobject_type(qobj) != QTYPE_QDICT) {
error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
@@ -93,8 +94,9 @@ static void qmp_input_start_struct(Visitor *v, void **obj,
const char *kind,
return;
}
- qmp_input_push(qiv, qobj, errp);
- if (error_is_set(errp)) {
+ qmp_input_push(qiv, qobj, &err);
+ if (err) {
+ error_propagate(errp, err);
return;
}
--
1.7.9.2.384.g4a92a
- [Qemu-devel] [PULL 00/13]: QMP queue, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 02/13] qapi: add struct-errors test case to test-qmp-output-visitor, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 01/13] qapi: fix double free in qmp_output_visitor_cleanup(), Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 03/13] qapi: add a test case for type errors, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 05/13] qapi: fix memory leak on error,
Luiz Capitulino <=
- [Qemu-devel] [PATCH 06/13] qapi: shortcut visits on errors, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 08/13] qapi: untangle next_list, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 04/13] qapi: fail hard on stack imbalance, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 07/13] qapi: allow freeing partially-allocated objects, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 12/13] qmp: parse commands in strict mode, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 09/13] qapi: place outermost object on qiv stack, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 11/13] qmp: add and use q type specifier, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 13/13] qmp: document strict parsing, Luiz Capitulino, 2012/03/27
- [Qemu-devel] [PATCH 10/13] qapi: add strict mode to input visitor, Luiz Capitulino, 2012/03/27
- Re: [Qemu-devel] [PULL 00/13]: QMP queue, Anthony Liguori, 2012/03/30