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From e2a696a4cd93c2dbe445243de48ed478fbdb8009 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 10 Jul 2015 10:41:35 +0100
Subject: [PATCH] i965: Remove early release of DRI2 miptree
intel_update_winsys_renderbuffer_miptree() will release the existing
miptree when wrapping a new DRI2 buffer, so we can remove the early
release and so prevent a NULL mt dereference should importing the new
DRI2 name fail for any reason. (Reusing the old DRI2 name will result
in the rendering going astray, to a stale buffer, and not shown on the
screen, but it allows us to issue a warning and not crash much later in
innocent code.)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
src/mesa/drivers/dri/i965/brw_context.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index e8d1396..72f3897 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -1388,7 +1388,6 @@ intel_process_dri2_buffer(struct brw_context *brw,
buffer->cpp, buffer->pitch);
}
- intel_miptree_release(&rb->mt);
bo = drm_intel_bo_gem_create_from_name(brw->bufmgr, buffer_name,
buffer->name);
if (!bo) {
--
2.5.0
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