Re: [PATCH V5 1/4] block: sed-opal: change ioctl to take user pointer instead of unsinged long

[Scott Bauer <scott.bauer@intel.com>]

esOn Mon, Feb 13, 2017 at 09:11:09AM -0700, Scott Bauer wrote:
> Signed-off-by: Scott Bauer <scott.bauer@intel.com>
> ---
>  block/sed-opal.c         | 6 ++++--
>  drivers/nvme/host/core.c | 3 ++-
>  include/linux/sed-opal.h | 4 ++--
>  3 files changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/block/sed-opal.c b/block/sed-opal.c
> index bf1406e..2448d4a 100644
> --- a/block/sed-opal.c
> +++ b/block/sed-opal.c
> @@ -2344,9 +2344,11 @@ bool opal_unlock_from_suspend(struct opal_dev *dev)
>  }
>  EXPORT_SYMBOL(opal_unlock_from_suspend);
>  
> -int sed_ioctl(struct opal_dev *dev, unsigned int cmd, unsigned long ptr)
> +int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg)
>  {
> -	void __user *arg = (void __user *)ptr;
> +	void *ioctl_ptr;
> +	int ret = -ENOTTY;
> +	unsigned int cmd_size = _IOC_SIZE(cmd);

ugh, I apparently messed up my rebase these should be in patch 2 or maybe I should
sqash p1 and p2  together.