[PATCH] ubifs: allow encryption ioctls in compat mode

[Richard Weinberger]

On 19.12.2016 20:12, Eric Biggers wrote:
> From: Eric Biggers <ebiggers at google.com>
> 
> The ubifs encryption ioctls did not work when called by a 32-bit program
> on a 64-bit kernel.  Since 'struct fscrypt_policy' is not affected by
> the word size, ubifs just needs to allow these ioctls through, like what
> ext4 and f2fs do.
> 
> Signed-off-by: Eric Biggers <ebiggers at google.com>
> ---
>  fs/ubifs/ioctl.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
> index 78d7136..da519ba 100644
> --- a/fs/ubifs/ioctl.c
> +++ b/fs/ubifs/ioctl.c
> @@ -217,6 +217,9 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>  	case FS_IOC32_SETFLAGS:
>  		cmd = FS_IOC_SETFLAGS;
>  		break;
> +	case FS_IOC_SET_ENCRYPTION_POLICY:
> +	case FS_IOC_GET_ENCRYPTION_POLICY:
> +		break;

Whoops, since I tested most of the time on an ARM board, this was unnoticed. :-D

Thanks,
//richard