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authorChris Wilson <chris@chris-wilson.co.uk>2017-06-29 13:59:28 +0100
committerGustavo Padovan <gustavo.padovan@collabora.com>2017-06-29 18:52:34 -0300
commit3b52ce44e720c240afc4c4b03140d7b7811b23bd (patch)
tree0f718c53cb9d6eab201f7847b74d18832c15e553 /drivers/dma-buf
parenta6aa8fca4d792c72947e341d7842d2f700534335 (diff)
downloadlinux-3b52ce44e720c240afc4c4b03140d7b7811b23bd.tar.bz2
dma-buf/sw-sync: sync_pt is private and of fixed size
Since sync_pt is only allocated from a single location and is no longer the base class for fences (that is struct dma_fence) it no longer needs a generic unsized allocator. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Sean Paul <seanpaul@chromium.org> Cc: Gustavo Padovan <gustavo@padovan.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-5-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/sw_sync.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c
index fc733621987d..6effa1ce010e 100644
--- a/drivers/dma-buf/sw_sync.c
+++ b/drivers/dma-buf/sw_sync.c
@@ -155,7 +155,6 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc)
/**
* sync_pt_create() - creates a sync pt
* @parent: fence's parent sync_timeline
- * @size: size to allocate for this pt
* @inc: value of the fence
*
* Creates a new sync_pt as a child of @parent. @size bytes will be
@@ -163,15 +162,12 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc)
* the generic sync_timeline struct. Returns the sync_pt object or
* NULL in case of error.
*/
-static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size,
- unsigned int value)
+static struct sync_pt *sync_pt_create(struct sync_timeline *obj,
+ unsigned int value)
{
struct sync_pt *pt;
- if (size < sizeof(*pt))
- return NULL;
-
- pt = kzalloc(size, GFP_KERNEL);
+ pt = kzalloc(sizeof(*pt), GFP_KERNEL);
if (!pt)
return NULL;
@@ -312,7 +308,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj,
goto err;
}
- pt = sync_pt_create(obj, sizeof(*pt), data.value);
+ pt = sync_pt_create(obj, data.value);
if (!pt) {
err = -ENOMEM;
goto err;