We want to start at 0 and do not care about the updated value. Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- net/bpfilter/bpfilter_kern.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c index 51a941b56ec3..bca294c9253f 100644 --- a/net/bpfilter/bpfilter_kern.c +++ b/net/bpfilter/bpfilter_kern.c @@ -34,21 +34,18 @@ static void __stop_umh(void) static int bpfilter_send_req(struct mbox_request *req) { struct mbox_reply reply; - loff_t pos = 0; ssize_t n; if (!bpfilter_ops.info.tgid) return -EFAULT; - pos = 0; n = kernel_write(bpfilter_ops.info.pipe_to_umh, req, sizeof(*req), - &pos); + NULL); if (n != sizeof(*req)) { pr_err("write fail %zd\n", n); goto stop; } - pos = 0; n = kernel_read(bpfilter_ops.info.pipe_from_umh, &reply, sizeof(reply), - &pos); + NULL); if (n != sizeof(reply)) { pr_err("read fail %zd\n", n); goto stop; -- 2.28.0