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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-09 19:53:06 +0100
committerSumit Semwal <sumit.semwal@linaro.org>2016-12-13 12:39:39 +0100
commit24a367348a017555f982a9ee137070a7a821fa97 (patch)
treee22dd649dda4cd59af3f8d193d858867d239ec93 /drivers/dma-buf/sync_file.c
parentMerge tag 'docs-4.10' of git://git.lwn.net/linux into drm-misc-next (diff)
downloadlinux-24a367348a017555f982a9ee137070a7a821fa97.tar.xz
linux-24a367348a017555f982a9ee137070a7a821fa97.zip
dma-buf: Update kerneldoc for sync_file_create
This was missed when adding a dma_fence_get call. While at it also remove the kerneldoc for the static inline helper - no point documenting internals down to every detail. Fixes: 30cd85dd6edc ("dma-buf/sync_file: hold reference to fence when creating sync_file") Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Cc: Sean Paul <seanpaul@chromium.org> Cc: linux-doc@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Link: http://patchwork.freedesktop.org/patch/msgid/20161209185309.1682-3-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/dma-buf/sync_file.c')
-rw-r--r--drivers/dma-buf/sync_file.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
index 6d802f2d2881..d5179d7e8575 100644
--- a/drivers/dma-buf/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
@@ -67,9 +67,10 @@ static void fence_check_cb_func(struct dma_fence *f, struct dma_fence_cb *cb)
* sync_file_create() - creates a sync file
* @fence: fence to add to the sync_fence
*
- * Creates a sync_file containg @fence. Once this is called, the sync_file
- * takes ownership of @fence. The sync_file can be released with
- * fput(sync_file->file). Returns the sync_file or NULL in case of error.
+ * Creates a sync_file containg @fence. This function acquires and additional
+ * reference of @fence for the newly-created &sync_file, if it succeeds. The
+ * sync_file can be released with fput(sync_file->file). Returns the
+ * sync_file or NULL in case of error.
*/
struct sync_file *sync_file_create(struct dma_fence *fence)
{
@@ -90,13 +91,6 @@ struct sync_file *sync_file_create(struct dma_fence *fence)
}
EXPORT_SYMBOL(sync_file_create);
-/**
- * sync_file_fdget() - get a sync_file from an fd
- * @fd: fd referencing a fence
- *
- * Ensures @fd references a valid sync_file, increments the refcount of the
- * backing file. Returns the sync_file or NULL in case of error.
- */
static struct sync_file *sync_file_fdget(int fd)
{
struct file *file = fget(fd);