[Mesa-dev] [PATCH mesa] egl: avoid dereferencing a null display

[Lionel Landwerlin]

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

On 07/05/17 23:48, Eric Engestrom wrote:
> Fixes: ddb99127a6f6c ("egl/x11: Honor the EGL_PLATFORM_X11_SCREEN_EXT attribute")
> Signed-off-by: Eric Engestrom <eric at engestrom.ch>
> ---
>   src/egl/main/egldisplay.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
> index b047a5de42..c4b0fd6aab 100644
> --- a/src/egl/main/egldisplay.c
> +++ b/src/egl/main/egldisplay.c
> @@ -505,8 +505,10 @@ _eglGetX11Display(Display *native_display,
>      _EGLDisplay *display = _eglFindDisplay(_EGL_PLATFORM_X11,
>                                             native_display);
>   
> -   if (!display)
> +   if (!display) {
>         _eglError(EGL_BAD_ALLOC, "eglGetPlatformDisplay");
> +      return NULL;
> +   }
>   
>      if (!_eglParseX11DisplayAttribList(display, attrib_list)) {
>         return NULL;