On 12/19/2013 05:27 AM, Juha-Pekka Heikkila wrote:
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
  src/glx/dri_glx.c | 20 ++++++++++++--------
  1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/glx/dri_glx.c b/src/glx/dri_glx.c
index 0b89e3e..2e00bf0 100644
--- a/src/glx/dri_glx.c
+++ b/src/glx/dri_glx.c
@@ -747,13 +747,15 @@ static int
  driSetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
  {
     struct dri_drawable *pdp = (struct dri_drawable *) pdraw;
-   struct dri_screen *psc = (struct dri_screen *) pdraw->psc;

-   if (psc->swapControl != NULL && pdraw != NULL) {
-      psc->swapControl->setSwapInterval(pdp->driDrawable, interval);
-      return 0;
-   }
+   if (pdraw != NULL) {
+      struct dri_screen *psc = (struct dri_screen *) pdraw->psc;

+      if (psc->swapControl != NULL) {
+         psc->swapControl->setSwapInterval(pdp->driDrawable, interval);
+         return 0;
+      }
+   }
     return GLX_BAD_CONTEXT;
  }

@@ -761,11 +763,13 @@ static int
  driGetSwapInterval(__GLXDRIdrawable *pdraw)
  {
     struct dri_drawable *pdp = (struct dri_drawable *) pdraw;
-   struct dri_screen *psc = (struct dri_screen *) pdraw->psc;

-   if (psc->swapControl != NULL && pdraw != NULL)
-      return psc->swapControl->getSwapInterval(pdp->driDrawable);
+   if (pdraw != NULL) {
+      struct dri_screen *psc = (struct dri_screen *) pdraw->psc;

+      if (psc->swapControl != NULL)
+         return psc->swapControl->getSwapInterval(pdp->driDrawable);
+   }
     return 0;
  }



For all three:  Reviewed-by: Brian Paul <bri...@vmware.com>
I'll push them soon.

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