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[3/5] GLX: don't crash when indirect clients try to set an event mask

Message ID 1304445561-9910-4-git-send-email-jbarnes@virtuousgeek.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jesse Barnes May 3, 2011, 5:59 p.m. UTC 
After sending the GLXChangeDrawableAttributes request, we also set a
local set of attributes on the DRI drawable.  But in the indirect case
this array won't be present, so skip the setting in that case to avoid a
crash.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 src/glx/glx_pbuffer.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
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Patch

diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c
index 5f91bc6..ec54f1e 100644
--- a/src/glx/glx_pbuffer.c
+++ b/src/glx/glx_pbuffer.c
@@ -137,6 +137,9 @@  ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
 #ifdef GLX_DIRECT_RENDERING
    pdraw = GetGLXDRIDrawable(dpy, drawable);
 
+   if (!pdraw)
+      return;
+
    for (i = 0; i < num_attribs; i++) {
       switch(attribs[i * 2]) {
       case GLX_EVENT_MASK: