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-rw-r--r--bcm283x-vc4-Fix-OOPSes-from-trying-to-cache-a-partially-constructed-BO..patch42
1 files changed, 0 insertions, 42 deletions
diff --git a/bcm283x-vc4-Fix-OOPSes-from-trying-to-cache-a-partially-constructed-BO..patch b/bcm283x-vc4-Fix-OOPSes-from-trying-to-cache-a-partially-constructed-BO..patch
deleted file mode 100644
index 70a528253..000000000
--- a/bcm283x-vc4-Fix-OOPSes-from-trying-to-cache-a-partially-constructed-BO..patch
+++ /dev/null
@@ -1,42 +0,0 @@
-From patchwork Thu Feb 9 18:16:00 2017
-Content-Type: text/plain; charset="utf-8"
-MIME-Version: 1.0
-Content-Transfer-Encoding: 7bit
-Subject: drm/vc4: Fix OOPSes from trying to cache a partially constructed BO.
-From: Eric Anholt <eric@anholt.net>
-X-Patchwork-Id: 138087
-Message-Id: <20170209181600.24048-1-eric@anholt.net>
-To: dri-devel@lists.freedesktop.org
-Cc: linux-kernel@vger.kernel.org, pbrobinson@gmail.com
-Date: Thu, 9 Feb 2017 10:16:00 -0800
-
-If a CMA allocation failed, the partially constructed BO would be
-unreferenced through the normal path, and we might choose to put it in
-the BO cache. If we then reused it before it expired from the cache,
-the kernel would OOPS.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
-Fixes: c826a6e10644 ("drm/vc4: Add a BO cache.")
----
- drivers/gpu/drm/vc4/vc4_bo.c | 8 ++++++++
- 1 file changed, 8 insertions(+)
-
-diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
-index 5ec14f25625d..fd83a2807656 100644
---- a/drivers/gpu/drm/vc4/vc4_bo.c
-+++ b/drivers/gpu/drm/vc4/vc4_bo.c
-@@ -314,6 +314,14 @@ void vc4_free_object(struct drm_gem_object *gem_bo)
- goto out;
- }
-
-+ /* If this object was partially constructed but CMA allocation
-+ * had failed, just free it.
-+ */
-+ if (!bo->base.vaddr) {
-+ vc4_bo_destroy(bo);
-+ goto out;
-+ }
-+
- cache_list = vc4_get_cache_list_for_size(dev, gem_bo->size);
- if (!cache_list) {
- vc4_bo_destroy(bo);