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

Dan Carpenter dan.carpenter at oracle.com
Sat Feb 13 21:49:32 UTC 2016


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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