From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
This function returns a copy of the array of fences.
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
drivers/dma-buf/fence-array.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/dma-buf/fence-array.c b/drivers/dma-buf/fence-array.c
index 601448a..ce98249 100644
--- a/drivers/dma-buf/fence-array.c
+++ b/drivers/dma-buf/fence-array.c
@@ -33,6 +33,19 @@ static const char *fence_array_get_timeline_name(struct fence *fence)
return "unbound";
}
+static struct fence **fence_array_get_fences(struct fence *fence)
+{
+ struct fence_array *array = to_fence_array(fence);
+ struct fence **fences;
+
+ fences = kmalloc(array->num_fences * sizeof(*fences), GFP_KERNEL);
+ if (!fences)
+ return NULL;
+
+ memcpy(fences, array->fences, array->num_fences * sizeof(*fences));
+ return fences;
+}
+
static void fence_array_cb_func(struct fence *f, struct fence_cb *cb)
{
struct fence_array_cb *array_cb =
@@ -109,6 +122,7 @@ static void fence_array_release(struct fence *fence)
const struct fence_ops fence_array_ops = {
.get_driver_name = fence_array_get_driver_name,
.get_timeline_name = fence_array_get_timeline_name,
+ .get_fences = fence_array_get_fences,
.enable_signaling = fence_array_enable_signaling,
.signaled = fence_array_signaled,
.wait = fence_default_wait,
--
2.5.5
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