Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64934
NOTE: This is a candidate for the stable branches.
---
src/mesa/drivers/x11/fakeglx.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index c7fb327..031c305 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -1533,16 +1533,18 @@ void _kw_ungrab_all( Display *dpy )
static void
Fake_glXDestroyContext( Display *dpy, GLXContext ctx )
{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- (void) dpy;
- MakeCurrent_PrevContext = 0;
- MakeCurrent_PrevDrawable = 0;
- MakeCurrent_PrevReadable = 0;
- MakeCurrent_PrevDrawBuffer = 0;
- MakeCurrent_PrevReadBuffer = 0;
- XMesaDestroyContext( glxCtx->xmesaContext );
- XMesaGarbageCollect(dpy);
- free(glxCtx);
+ if (ctx) {
+ struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
+ (void) dpy;
+ MakeCurrent_PrevContext = 0;
+ MakeCurrent_PrevDrawable = 0;
+ MakeCurrent_PrevReadable = 0;
+ MakeCurrent_PrevDrawBuffer = 0;
+ MakeCurrent_PrevReadBuffer = 0;
+ XMesaDestroyContext( glxCtx->xmesaContext );
+ XMesaGarbageCollect(dpy);
+ free(glxCtx);
+ }
}
--
1.7.10.4
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