linux-kernel - [PATCH v3 05/11] staging/android: remove len field from struct sync_fence

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Message-Id: <1454505940-18094-6-git-send-email-gustavo@padovan.org>
Date:	Wed,  3 Feb 2016 11:25:34 -0200
From:	Gustavo Padovan <gustavo@...ovan.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	dri-devel@...ts.freedesktop.org,
	Daniel Stone <daniels@...labora.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Riley Andrews <riandrews@...roid.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Rob Clark <robdclark@...il.com>,
	Greg Hackmann <ghackmann@...gle.com>,
	John Harrison <John.C.Harrison@...el.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>
Subject: [PATCH v3 05/11] staging/android: remove len field from struct sync_fence_info

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

After removing driver_data struct sync_fence_info has now a fixed size,
thus it doesn't need any field to tell its size, it is already known.

Signed-off-by: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
---
 drivers/staging/android/sync.c      | 4 +---
 drivers/staging/android/uapi/sync.h | 2 --
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index d527878..2ab0c20 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -486,8 +486,6 @@ static int sync_fill_fence_info(struct fence *fence, void *data, int size)
 	if (size < sizeof(*info))
 		return -ENOMEM;
 
-	info->len = sizeof(*info);
-
 	strlcpy(info->obj_name, fence->ops->get_timeline_name(fence),
 		sizeof(info->obj_name));
 	strlcpy(info->driver_name, fence->ops->get_driver_name(fence),
@@ -498,7 +496,7 @@ static int sync_fill_fence_info(struct fence *fence, void *data, int size)
 		info->status = 0;
 	info->timestamp_ns = ktime_to_ns(fence->timestamp);
 
-	return info->len;
+	return sizeof(*info);
 }
 
 static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
diff --git a/drivers/staging/android/uapi/sync.h b/drivers/staging/android/uapi/sync.h
index 4d8cf00..a0cf357 100644
--- a/drivers/staging/android/uapi/sync.h
+++ b/drivers/staging/android/uapi/sync.h
@@ -28,14 +28,12 @@ struct sync_merge_data {
 
 /**
  * struct sync_fence_info - detailed fence information
- * @len:		length of sync_fence_info
  * @obj_name:		name of parent sync_timeline
  * @driver_name:	name of driver implementing the parent
  * @status:		status of the fence 0:active 1:signaled <0:error
  * @timestamp_ns:	timestamp of status change in nanoseconds
  */
 struct sync_fence_info {
-	__u32	len;
 	char	obj_name[32];
 	char	driver_name[32];
 	__s32	status;
-- 
2.5.0