2018-03-30 23:32 GMT+01:00 Jerry Zhang <zhangjerry@xxxxxxxxxx>:
> This allows 32 bit owners of ffs endpoints to
> make ioctls into a 64 bit kernel.
>
> All of the current epfile ioctls can be handled
> with the same struct definitions as regular
> ioctl.
>
> Signed-off-by: Jerry Zhang <zhangjerry@xxxxxxxxxx>
Acked-by: Michał Nazarewicz <mina86@xxxxxxxxxx>
> ---
> drivers/usb/gadget/function/f_fs.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
> index d2428a9e8900..34d80cc2b667 100644
> --- a/drivers/usb/gadget/function/f_fs.c
> +++ b/drivers/usb/gadget/function/f_fs.c
> @@ -1262,6 +1262,14 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
> return ret;
> }
>
> +#ifdef CONFIG_COMPAT
> +static long ffs_epfile_compat_ioctl(struct file *file, unsigned code,
> + unsigned long value)
> +{
> + return ffs_epfile_ioctl(file, code, value);
> +}
> +#endif
> +
> static const struct file_operations ffs_epfile_operations = {
> .llseek = no_llseek,
>
> @@ -1270,6 +1278,9 @@ static const struct file_operations ffs_epfile_operations = {
> .read_iter = ffs_epfile_read_iter,
> .release = ffs_epfile_release,
> .unlocked_ioctl = ffs_epfile_ioctl,
> +#ifdef CONFIG_COMPAT
> + .compat_ioctl = ffs_epfile_compat_ioctl,
> +#endif
> };
>
>
> --
> 2.17.0.rc1.321.gba9d0f2565-goog
>
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