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* [Qemu-devel] [PATCH] monitor: Don't change VNC server when disabled
@ 2009-02-10 19:13 Jan Kiszka
  2009-02-11 21:01 ` [Qemu-devel] " Anthony Liguori
  0 siblings, 1 reply; 2+ messages in thread
From: Jan Kiszka @ 2009-02-10 19:13 UTC (permalink / raw)
  To: Anthony Liguori; +Cc: qemu-devel

[ As requested, broken out of the monitor rework series. ]

Avoid a segfault when the user issues 'change vnc' without having vnc
enabled on startup.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---

 vnc.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/vnc.c b/vnc.c
index 68df599..bdfc79b 100644
--- a/vnc.c
+++ b/vnc.c
@@ -2333,6 +2333,8 @@ void vnc_display_close(DisplayState *ds)
 {
     VncState *vs = ds ? (VncState *)ds->opaque : vnc_state;
 
+    if (!vs)
+        return;
     if (vs->display) {
 	qemu_free(vs->display);
 	vs->display = NULL;
@@ -2392,6 +2394,8 @@ int vnc_display_open(DisplayState *ds, const char *display)
     int tls = 0, x509 = 0;
 #endif
 
+    if (!vnc_state)
+        return -1;
     vnc_display_close(ds);
     if (strcmp(display, "none") == 0)
 	return 0;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [Qemu-devel] Re: [PATCH] monitor: Don't change VNC server when disabled
  2009-02-10 19:13 [Qemu-devel] [PATCH] monitor: Don't change VNC server when disabled Jan Kiszka
@ 2009-02-11 21:01 ` Anthony Liguori
  0 siblings, 0 replies; 2+ messages in thread
From: Anthony Liguori @ 2009-02-11 21:01 UTC (permalink / raw)
  To: Jan Kiszka; +Cc: qemu-devel

Jan Kiszka wrote:
> [ As requested, broken out of the monitor rework series. ]
>
> Avoid a segfault when the user issues 'change vnc' without having vnc
> enabled on startup.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>   

Applied.  Thanks.

Regards,

Anthony Liguori

> ---
>
>  vnc.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/vnc.c b/vnc.c
> index 68df599..bdfc79b 100644
> --- a/vnc.c
> +++ b/vnc.c
> @@ -2333,6 +2333,8 @@ void vnc_display_close(DisplayState *ds)
>  {
>      VncState *vs = ds ? (VncState *)ds->opaque : vnc_state;
>  
> +    if (!vs)
> +        return;
>      if (vs->display) {
>  	qemu_free(vs->display);
>  	vs->display = NULL;
> @@ -2392,6 +2394,8 @@ int vnc_display_open(DisplayState *ds, const char *display)
>      int tls = 0, x509 = 0;
>  #endif
>  
> +    if (!vnc_state)
> +        return -1;
>      vnc_display_close(ds);
>      if (strcmp(display, "none") == 0)
>  	return 0;
>
>
>   

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2009-02-11 21:02 UTC | newest]

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2009-02-10 19:13 [Qemu-devel] [PATCH] monitor: Don't change VNC server when disabled Jan Kiszka
2009-02-11 21:01 ` [Qemu-devel] " Anthony Liguori

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