[PATCH] drm/amdgpu: don't try to unreserve NULL pointer

Christian König ckoenig.leichtzumerken at gmail.com
Mon Sep 17 18:07:24 UTC 2018


Don't try to unreserve a BO we doesn't allocated.

Fixes: 07012fdd497e drm/amdgpu: don't allocate zero sized kernel BOs

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 84d82d5382f9..c1387efc0c91 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -348,7 +348,8 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
 	if (r)
 		return r;
 
-	amdgpu_bo_unreserve(*bo_ptr);
+	if (*bo_ptr)
+		amdgpu_bo_unreserve(*bo_ptr);
 
 	return 0;
 }
-- 
2.14.1



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