Mesa (master): glx: return GL_FALSE from glx_screen_init where applicable.

[Emil Velikov]

Module: Mesa
Branch: master
Commit: 2e9e05dfca18c7f09caa40396d6dd4f2b3ddc1d4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e9e05dfca18c7f09caa40396d6dd4f2b3ddc1d4

Author: Emil Velikov <emil.velikov at collabora.com>
Date:   Fri Sep 30 11:01:27 2016 +0100

glx: return GL_FALSE from glx_screen_init where applicable.

Return GL_FALSE if we fail to find any fb/visual configs, otherwise we
end up with all sorts of chaos further down the GLX stack.

Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>


---

 src/glx/glxext.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/glx/glxext.c b/src/glx/glxext.c
index f6bc377..9ef7ff5 100644
--- a/src/glx/glxext.c
+++ b/src/glx/glxext.c
@@ -748,8 +748,11 @@ glx_screen_init(struct glx_screen *psc,
    psc->dpy = priv->dpy;
    psc->display = priv;
 
-   getVisualConfigs(psc, priv, screen);
-   getFBConfigs(psc, priv, screen);
+   if (!getVisualConfigs(psc, priv, screen))
+      return GL_FALSE;
+
+   if (!getFBConfigs(psc, priv, screen))
+      return GL_FALSE;
 
    return GL_TRUE;
 }