[PATCH] staging: lustre: Mark userspace pointer types in ksocknal_recv_iov()

Dan Carpenter dan.carpenter at oracle.com
Fri Sep 12 14:19:51 UTC 2014


On Fri, Sep 12, 2014 at 11:45:44PM +1000, Artemiy Volkov wrote:

> --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
> +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
> @@ -281,7 +281,8 @@ ksocknal_recv_iov (ksock_conn_t *conn)
>  
>  		if (nob < (int)iov->iov_len) {
>  			iov->iov_len -= nob;
> -			iov->iov_base = (void *)((char *)iov->iov_base + nob);
> +			iov->iov_base = (void __user *)
> +					((char __user *)iov->iov_base + nob);

->iob_base is a void __user pointer so you can just do:

			iov->iov_base += nob;

Much simpler.

regards,
dan carpenter



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