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tty: wipe buffer.
After we are done with the tty buffer, zero it out. Reported-by: aszlig <aszlig@nix.build> Tested-by: Milan Broz <gmazyland@gmail.com> Tested-by: Daniel Zatovic <daniel.zatovic@gmail.com> Tested-by: aszlig <aszlig@nix.build> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -473,11 +473,15 @@ receive_buf(struct tty_port *port, struct tty_buffer *head, int count)
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{
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unsigned char *p = char_buf_ptr(head, head->read);
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char *f = NULL;
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int n;
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if (~head->flags & TTYB_NORMAL)
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f = flag_buf_ptr(head, head->read);
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return port->client_ops->receive_buf(port, p, f, count);
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n = port->client_ops->receive_buf(port, p, f, count);
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if (n > 0)
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memset(p, 0, n);
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return n;
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}
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/**
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