From: Christoph Hellwig Date: Wed, 13 May 2020 06:46:58 +0000 (+0200) Subject: bpfilter: switch to kernel_write X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6955a76fbcd56d27c84c01353101048e366d070f;p=linux.git bpfilter: switch to kernel_write While pipes don't really need sb_writers projection, __kernel_write is an interface better kept private, and the additional rw_verify_area does not hurt here. Signed-off-by: Christoph Hellwig --- diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c index c0f0990f30b60..1905e01c3aa9a 100644 --- a/net/bpfilter/bpfilter_kern.c +++ b/net/bpfilter/bpfilter_kern.c @@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname, req.len = optlen; if (!bpfilter_ops.info.pid) goto out; - n = __kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req), + n = kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req), &pos); if (n != sizeof(req)) { pr_err("write fail %zd\n", n);