linux-kernel - Re: [PATCH 07/10] staging: lustre: add last missing sparse annotation _

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Message-ID: <1D5C2B0A-E454-44BD-BC8B-2D1CC6058C9D@intel.com>
Date:	Sat, 5 Mar 2016 02:55:55 +0000
From:	"Drokin, Oleg" <oleg.drokin@...el.com>
To:	James Simmons <jsimmons@...radead.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"<devel@...verdev.osuosl.org>" <devel@...verdev.osuosl.org>,
	"Dilger, Andreas" <andreas.dilger@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lustre Development List <lustre-devel@...ts.lustre.org>,
	Frank Zago <fzago@...y.com>
Subject: Re: [PATCH 07/10] staging: lustre: add last missing sparse
 annotation __user


On Mar 4, 2016, at 9:09 PM, James Simmons wrote:

> From: Frank Zago <fzago@...y.com>
> 
> One of the __user was missed in being applied to upstream
> client. This is broken out of patch 11819.

It was not, the bug was fixed in another way.

> Signed-off-by: Frank Zago <fzago@...y.com>
> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5396
> Reviewed-on: http://review.whamcloud.com/11819
> Reviewed-by: James Simmons <uja.ornl@...il.com>
> Reviewed-by: Dmitry Eremin <dmitry.eremin@...el.com>
> Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
> ---
> drivers/staging/lustre/lnet/lnet/api-ni.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
> index a666d49..7395985 100644
> --- a/drivers/staging/lustre/lnet/lnet/api-ni.c
> +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
> @@ -2041,7 +2041,7 @@ LNetCtl(unsigned int cmd, void *arg)
> 		id.nid = data->ioc_nid;
> 		id.pid = data->ioc_u32[0];
> 		rc = lnet_ping(id, data->ioc_u32[1], /* timeout */
> -			       data->ioc_pbuf1,
> +			       (lnet_process_id_t __user *)data->ioc_pbuf1,

We do not need this one anymore, since ioc_pbuf1 is defned as user now:
drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h:     void __user *ioc_pbuf1;

> 			       data->ioc_plen1 / sizeof(lnet_process_id_t));
> 		if (rc < 0)
> 			return rc;
> -- 
> 1.7.1
>