On 11/25/2013 07:23 AM, Juha-Pekka Heikkila wrote:
> Extra null check before accessing user given context pointer.
oldGC can never be NULL. If there is no current context, it will point
to dummyContext.
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
> ---
> src/glx/glxcurrent.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/glx/glxcurrent.c b/src/glx/glxcurrent.c
> index a6884cf..b9f259e 100644
> --- a/src/glx/glxcurrent.c
> +++ b/src/glx/glxcurrent.c
> @@ -234,7 +234,7 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
> _glapi_check_multithread();
>
> __glXLock();
> - if (oldGC == gc &&
> + if (oldGC == gc && gc != NULL &&
> gc->currentDrawable == draw && gc->currentReadable == read) {
> __glXUnlock();
> return True;
>
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