diff options
| author | Christian König <christian.koenig@amd.com> | 2022-09-19 15:00:33 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-09-19 21:45:17 +0300 |
| commit | 3cc3dd73c420dc70cd366f91a680035ef47edf4f (patch) | |
| tree | 15613c12c8a5b9565f5a7196c7bbd6246cca8fe8 /drivers/dma-buf/dma-fence.c | |
| parent | ed712d30a9d0b8a59d6ed001cc7711d7b9c5ce54 (diff) | |
| download | linux-3cc3dd73c420dc70cd366f91a680035ef47edf4f.tar.xz | |
dma-buf: fix dma_fence_default_wait() signaling check
That check must now come after grabing the spinlock, not before.
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: b96fb1e724ae ("dma-buf: dma_fence_wait must enable signaling")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919120618.113332-1-christian.koenig@amd.com
Diffstat (limited to 'drivers/dma-buf/dma-fence.c')
| -rw-r--r-- | drivers/dma-buf/dma-fence.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index a5fbf1c1e0ea..406b4e26f538 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -763,11 +763,11 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) unsigned long flags; signed long ret = timeout ? timeout : 1; - if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) - return ret; - spin_lock_irqsave(fence->lock, flags); + if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) + goto out; + if (intr && signal_pending(current)) { ret = -ERESTARTSYS; goto out; |