From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
Inform the users how many fences are in the fence_info field.
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
drivers/staging/android/sync.c | 2 ++
drivers/staging/android/uapi/sync.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 51d4f47..ae42810 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -525,6 +525,8 @@ static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
if (info->status >= 0)
info->status = !info->status;
+ info->num_fences = sync_file->num_fences;
+
len = sizeof(struct sync_file_info) - sizeof(__u64 *);
for (i = 0; i < sync_file->num_fences; ++i) {
diff --git a/drivers/staging/android/uapi/sync.h b/drivers/staging/android/uapi/sync.h
index 9f07aa7..9a607ea 100644
--- a/drivers/staging/android/uapi/sync.h
+++ b/drivers/staging/android/uapi/sync.h
@@ -47,12 +47,14 @@ struct fence_info {
* userspace including pt_info.
* @name: name of fence
* @status: status of fence. 1: signaled 0:active <0:error
+ * @num_fences number of fences in the sync_file
* @fence_info: a fence_info struct for every fence in the sync_file
*/
struct sync_file_info {
__u32 len;
char name[32];
__s32 status;
+ __u32 num_fences;
__u64 *fence_info;
};
--
2.5.0
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