Commit 6955a76f authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

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: default avatarChristoph Hellwig <hch@lst.de>
parent 13c164b1

net/bpfilter/bpfilter_kern.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

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