* [Qemu-devel] [PATCH] Monitor: Fix command execution regression
@ 2010-01-27 20:01 Luiz Capitulino
2010-01-28 19:20 ` Blue Swirl
0 siblings, 1 reply; 2+ messages in thread
From: Luiz Capitulino @ 2010-01-27 20:01 UTC (permalink / raw)
To: qemu-devel; +Cc: agl
Function is_async_return() added by commit 940cc30d0d4 assumes
that 'data', which is returned by handlers, is always a QDict.
This is not true, as QLists can also be returned, in this case
we'll get a segfault.
Fix that by checking if 'data' is a QDict.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
monitor.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/monitor.c b/monitor.c
index fbae5ce..fb7c572 100644
--- a/monitor.c
+++ b/monitor.c
@@ -3700,7 +3700,11 @@ static void monitor_print_error(Monitor *mon)
static int is_async_return(const QObject *data)
{
- return data && qdict_haskey(qobject_to_qdict(data), "__mon_async");
+ if (data && qobject_type(data) == QTYPE_QDICT) {
+ return qdict_haskey(qobject_to_qdict(data), "__mon_async");
+ }
+
+ return 0;
}
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
--
1.6.6
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [Qemu-devel] [PATCH] Monitor: Fix command execution regression
2010-01-27 20:01 [Qemu-devel] [PATCH] Monitor: Fix command execution regression Luiz Capitulino
@ 2010-01-28 19:20 ` Blue Swirl
0 siblings, 0 replies; 2+ messages in thread
From: Blue Swirl @ 2010-01-28 19:20 UTC (permalink / raw)
To: Luiz Capitulino; +Cc: qemu-devel, agl
Thanks, applied.
On Wed, Jan 27, 2010 at 8:01 PM, Luiz Capitulino <lcapitulino@redhat.com> wrote:
>
> Function is_async_return() added by commit 940cc30d0d4 assumes
> that 'data', which is returned by handlers, is always a QDict.
>
> This is not true, as QLists can also be returned, in this case
> we'll get a segfault.
>
> Fix that by checking if 'data' is a QDict.
>
> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
> ---
> monitor.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/monitor.c b/monitor.c
> index fbae5ce..fb7c572 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -3700,7 +3700,11 @@ static void monitor_print_error(Monitor *mon)
>
> static int is_async_return(const QObject *data)
> {
> - return data && qdict_haskey(qobject_to_qdict(data), "__mon_async");
> + if (data && qobject_type(data) == QTYPE_QDICT) {
> + return qdict_haskey(qobject_to_qdict(data), "__mon_async");
> + }
> +
> + return 0;
> }
>
> static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
> --
> 1.6.6
>
>
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-01-28 19:20 ` Blue Swirl
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