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Subject[PATCH 1/3] dma-buf: Remove the signaled bit status check
Date
Remove the extra signaled bit status check because
it is returning early when the fence is already signaled and
__dma_fence_enable_signaling is checking the status of signaled
bit again.

Signed-off-by: Arvind Yadav <Arvind.Yadav@amd.com>
---
drivers/dma-buf/dma-fence.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 406b4e26f538..11ef20f70ee0 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -648,11 +648,6 @@ int dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
if (WARN_ON(!fence || !func))
return -EINVAL;

- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
- INIT_LIST_HEAD(&cb->node);
- return -ENOENT;
- }
-
spin_lock_irqsave(fence->lock, flags);

if (__dma_fence_enable_signaling(fence)) {
--
2.25.1
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