[PATCH] [glx] Fix use of uninitialized variable in __glXDRIscreenProbe()

[Ian Romanick]

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Tomas Carnecky wrote:
> This fixed a 'Result of operation is garbage or undefined' bug found
> by clang. 'framebuffer.base' was read before being initialized.
> 
> Signed-off-by: Tomas Carnecky <tom at dbservice.com>

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

> ---
>  glx/glxdri.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/glx/glxdri.c b/glx/glxdri.c
> index 6122653..f20e50c 100644
> --- a/glx/glxdri.c
> +++ b/glx/glxdri.c
> @@ -977,6 +977,8 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
>  	return NULL;
>      }
>  
> +    framebuffer.base = NULL;
> +
>      screen = xcalloc(1, sizeof *screen);
>      if (screen == NULL)
>        return NULL;

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