diff options
Diffstat (limited to 'drivers/dma-buf/sw_sync.c')
| -rw-r--r-- | drivers/dma-buf/sw_sync.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index c353029789cf..4f27ee93a00c 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -173,25 +173,6 @@ static bool timeline_fence_signaled(struct dma_fence *fence) return !__dma_fence_is_later(fence->seqno, parent->value, fence->ops); } -static bool timeline_fence_enable_signaling(struct dma_fence *fence) -{ - return true; -} - -static void timeline_fence_value_str(struct dma_fence *fence, - char *str, int size) -{ - snprintf(str, size, "%lld", fence->seqno); -} - -static void timeline_fence_timeline_value_str(struct dma_fence *fence, - char *str, int size) -{ - struct sync_timeline *parent = dma_fence_parent(fence); - - snprintf(str, size, "%d", parent->value); -} - static void timeline_fence_set_deadline(struct dma_fence *fence, ktime_t deadline) { struct sync_pt *pt = dma_fence_to_sync_pt(fence); @@ -211,11 +192,8 @@ static void timeline_fence_set_deadline(struct dma_fence *fence, ktime_t deadlin static const struct dma_fence_ops timeline_fence_ops = { .get_driver_name = timeline_fence_get_driver_name, .get_timeline_name = timeline_fence_get_timeline_name, - .enable_signaling = timeline_fence_enable_signaling, .signaled = timeline_fence_signaled, .release = timeline_fence_release, - .fence_value_str = timeline_fence_value_str, - .timeline_value_str = timeline_fence_timeline_value_str, .set_deadline = timeline_fence_set_deadline, }; @@ -444,15 +422,17 @@ static int sw_sync_ioctl_get_deadline(struct sync_timeline *obj, unsigned long a return -EINVAL; pt = dma_fence_to_sync_pt(fence); - if (!pt) - return -EINVAL; + if (!pt) { + ret = -EINVAL; + goto put_fence; + } spin_lock_irqsave(fence->lock, flags); - if (test_bit(SW_SYNC_HAS_DEADLINE_BIT, &fence->flags)) { - data.deadline_ns = ktime_to_ns(pt->deadline); - } else { + if (!test_bit(SW_SYNC_HAS_DEADLINE_BIT, &fence->flags)) { ret = -ENOENT; + goto unlock; } + data.deadline_ns = ktime_to_ns(pt->deadline); spin_unlock_irqrestore(fence->lock, flags); dma_fence_put(fence); @@ -464,6 +444,13 @@ static int sw_sync_ioctl_get_deadline(struct sync_timeline *obj, unsigned long a return -EFAULT; return 0; + +unlock: + spin_unlock_irqrestore(fence->lock, flags); +put_fence: + dma_fence_put(fence); + + return ret; } static long sw_sync_ioctl(struct file *file, unsigned int cmd, |