Re: [PATCH] docs: android: Fix missing kernel-doc entries in binder.c

From: Carlos Llamas

Date: Fri Oct 03 2025 - 12:57:13 EST


On Thu, Sep 25, 2025 at 02:55:17AM +0000, Kriish Sharma wrote:
> Fix several kernel-doc warnings in `drivers/android/binder.c` caused by
> undocumented struct members and function parameters.
>
> In particular, add missing documentation for the `@thread` parameter in
> binder_free_buf_locked().
>
> Signed-off-by: Kriish Sharma <kriish.sharma2006@xxxxxxxxx>
> ---
> drivers/android/binder.c | 17 +++++++++--------
> 1 file changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/android/binder.c b/drivers/android/binder.c
> index 312b462e349d..d30d27bfc634 100644
> --- a/drivers/android/binder.c
> +++ b/drivers/android/binder.c
> @@ -2417,10 +2417,10 @@ static int binder_translate_fd(u32 fd, binder_size_t fd_offset,
>
> /**
> * struct binder_ptr_fixup - data to be fixed-up in target buffer
> - * @offset offset in target buffer to fixup
> - * @skip_size bytes to skip in copy (fixup will be written later)
> - * @fixup_data data to write at fixup offset
> - * @node list node
> + * @offset: offset in target buffer to fixup
> + * @skip_size: bytes to skip in copy (fixup will be written later)
> + * @fixup_data: data to write at fixup offset
> + * @node: list node
> *
> * This is used for the pointer fixup list (pf) which is created and consumed
> * during binder_transaction() and is only accessed locally. No
> @@ -2437,10 +2437,10 @@ struct binder_ptr_fixup {
>
> /**
> * struct binder_sg_copy - scatter-gather data to be copied
> - * @offset offset in target buffer
> - * @sender_uaddr user address in source buffer
> - * @length bytes to copy
> - * @node list node
> + * @offset: offset in target buffer
> + * @sender_uaddr: user address in source buffer
> + * @length: bytes to copy
> + * @node: list node
> *
> * This is used for the sg copy list (sgc) which is created and consumed
> * during binder_transaction() and is only accessed locally. No
> @@ -3997,6 +3997,7 @@ binder_freeze_notification_done(struct binder_proc *proc,
> * @proc: binder proc that owns buffer
> * @buffer: buffer to be freed
> * @is_failure: failed to send transaction
> + * @thread: binder thread performing the buffer release

This is missing the alignment that other members have. Also, please keep
the same order of the arguments, so @thread should go after @proc.

> *
> * If buffer for an async transaction, enqueue the next async
> * transaction from the node.
> --
> 2.34.1
>

BTW, your subject is "docs: android:" which makes me think this is part
of Documentation/. Please just use "binder:" instead.

Thanks,
Carlos Llamas