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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - X segfaults when using prime offloading to nouveau card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88514#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - X segfaults when using prime offloading to nouveau card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88514">bug 88514</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 8b94b8f..e048224 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -158,6 +158,9 @@ GetScreenPrime(ScreenPtr master, int prime_id)
DRI2ScreenPtr ds;
ds = DRI2GetScreen(slave);
+ if (ds == NULL)
+ continue;
+
if (ds->prime_id == prime_id)
return slave;
}</pre>
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