[PATCH] drm/amdkfd: Don't BUG on freeing GART sub-allocation
Oded Gabbay
oded.gabbay at amd.com
Tue Jan 13 00:59:45 PST 2015
Instead of creating a BUG if trying to free a NULL GART sub-allocation object,
just return 0 (success).
This is done to mirror behavior of kfree.
Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 24b37ff..a23ed24 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -511,7 +511,10 @@ int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj)
unsigned int bit;
BUG_ON(!kfd);
- BUG_ON(!mem_obj);
+
+ /* Act like kfree when trying to free a NULL object */
+ if (!mem_obj)
+ return 0;
pr_debug("kfd: free mem_obj = %p, range_start = %d, range_end = %d\n",
mem_obj, mem_obj->range_start, mem_obj->range_end);
--
1.9.1
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