Am 03.09.2012 18:34, schrieb Luiz Capitulino:
On Mon, 03 Sep 2012 08:57:36 +0200
Paolo Bonzini <[email protected]> wrote:

Il 01/09/2012 09:30, Stefan Weil ha scritto:
Report from smatch:

qapi-visit.c:1640 visit_type_BlockdevAction(8) error:
  we previously assumed 'obj' could be null (see line 1639)
qapi-visit.c:2432 visit_type_NetClientOptions(8) error:
  we previously assumed 'obj' could be null (see line 2431)

Signed-off-by: Stefan Weil <[email protected]>
---
  scripts/qapi-visit.py |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 2afc5c0..1a669f3 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -157,7 +157,7 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const 
char *name, Error **
      if (!error_is_set(errp)) {
          visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s), 
&err);
          if (!err) {
-            if (!obj || *obj) {
+            if (obj && *obj) {
                  visit_type_%(name)sKind(m, &(*obj)->kind, "type", &err);
                  if (!err) {
                      switch ((*obj)->kind) {


Reviewed-by: Paolo Bonzini <[email protected]>

Is this for 1.2?

Although the fix is pretty obvious, it doesn't seem possible to trigger the
segfault today and I believe we're only accepting true bug fixes at this point
(ie. two days from the release).

As long as nobody has a scenario which triggers the bug,
there is no need to apply that patch before 1.2 is released.

That's why I did not add "for 1.2" to the subject line.

- sw


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