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Re: [PATCH] staging: lustre/lnet: Fix wrong type casting warning generated by sparse

From Dan Carpenter <dan.carpenter@oracle.com>
Newsgroups linux.kernel
Subject Re: [PATCH] staging: lustre/lnet: Fix wrong type casting warning generated by sparse
Date 2016-02-13 22:50 +0100
Message-ID <r1QeK-1UL-5@gated-at.bofh.it> (permalink)
References <r1MNQ-8o9-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Sat, Feb 13, 2016 at 11:34:35PM +0530, Niranjan Dighe wrote:
> diff --git a/drivers/staging/lustre/lnet/selftest/console.c b/drivers/staging/lustre/lnet/selftest/console.c
> index 366211e..64b6a70 100644
> --- a/drivers/staging/lustre/lnet/selftest/console.c
> +++ b/drivers/staging/lustre/lnet/selftest/console.c
> @@ -1461,9 +1461,9 @@ lstcon_statrpc_readent(int transop, srpc_msg_t *msg,
>  
>  	sfwk_stat = (sfw_counters_t __user *)&ent_up->rpe_payload[0];
>  	srpc_stat = (srpc_counters_t __user *)
> -				      ((char *)sfwk_stat + sizeof(*sfwk_stat));
> +				((char __user *)sfwk_stat + sizeof(*sfwk_stat));

This is uglier than necessary.  Do it either like this:

	srpc_stat = (void __user *)sfwk_stat + sizeof(*sfwk_stat);

Or probably it's actually nicer to say:

	srpc_stat = sfwk_stat + 1;

regards,
dan carpenter

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Thread

[PATCH] staging: lustre/lnet: Fix wrong type casting warning  generated by sparse Niranjan Dighe <niranjan.dighe@gmail.com> - 2016-02-13 19:10 +0100
  Re: [PATCH] staging: lustre/lnet: Fix wrong type casting warning  generated by sparse Dan Carpenter <dan.carpenter@oracle.com> - 2016-02-13 22:50 +0100
    Re: [PATCH] staging: lustre/lnet: Fix wrong type casting warning  generated by sparse Niranjan Dighe <niranjan.dighe@gmail.com> - 2016-02-14 03:50 +0100

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