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由 Peter Hurley 提交于
This reverts commit c4dc3046. This fix is superseded by commit 52bce7f8, 'pty, n_tty: Simplify input processing on final close'. The final close now waits for input processing to complete before destroying the pty, so poll() does not need to special case this condition. Cc: Francesco Ruggeri <fruggeri@arista.com> Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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