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[PATCH 07/10] staging/android: add num_fences field to struct sync_file_info

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  [PATCH 07/10] staging/android: add num_fences field to struct sync_file_info Gustavo Padovan <gustavo@padovan.org> - 2016-01-29 22:30 +0100

#1322084 — [PATCH 07/10] staging/android: add num_fences field to struct sync_file_info

From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

Inform the users how many fences are in the fence_info field.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
 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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