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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 <hch@lst.de>
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1 changed files with 1 additions and 1 deletions
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@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
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req.len = optlen;
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req.len = optlen;
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if (!bpfilter_ops.info.pid)
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if (!bpfilter_ops.info.pid)
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goto out;
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goto out;
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n = __kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),
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n = kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),
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&pos);
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&pos);
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if (n != sizeof(req)) {
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if (n != sizeof(req)) {
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pr_err("write fail %zd\n", n);
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pr_err("write fail %zd\n", n);
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