4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Daniel Vetter <daniel.vetter@xxxxxxxx>
commit 24a367348a017555f982a9ee137070a7a821fa97 upstream.
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@xxxxxxxxxxxxxxx>
Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Reviewed-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20161209185309.1682-3-daniel.vetter@xxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/dma-buf/sync_file.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
--- 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 f
* 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 fence *fence)
{
@@ -90,13 +91,6 @@ struct sync_file *sync_file_create(struc
}
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);
--
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