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SubjectRe: [PATCH resend] staging, lustre: fix a sparse error
On Thu, Oct 09, 2014 at 06:25:10PM +0800, WANG Chao wrote:
> This fixes the following sparse error:
>
> drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c:393:9: error:
> incompatible types in comparison expression (different address spaces)
>
> Signed-off-by: WANG Chao <wangchao19890207@gmail.com>
> ---
> drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
> index 245c9d7..1510594 100644
> --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
> +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
> @@ -390,7 +390,7 @@ ksocknal_lib_csum_tx(ksock_tx_t *tx)
> __u32 csum;
> void *base;
>
> - LASSERT(tx->tx_iov[0].iov_base == (void *)&tx->tx_msg);
> + LASSERT((void __force *) tx->tx_iov[0].iov_base == (void *)&tx->tx_msg);
is it ok? are you not just suppressing the sparse error?
iov_base is void __user *

thanks
sudip

> LASSERT(tx->tx_conn != NULL);
> LASSERT(tx->tx_conn->ksnc_proto == &ksocknal_protocol_v2x);
>
> --
> 1.9.3
>
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