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Peter Hurley authored
Exclusive mode ttys (TTY_EXCLUSIVE) do not allow further reopens; fail the condition before associating the file pointer and calling the driver open() method. Prevents DTR programming when the tty is already in exclusive mode. Reported-by:
Shreyas Bethur <shreyas.bethur@ni.com> Signed-off-by:
Peter Hurley <peter@hurleysoftware.com> Acked-by:
Shreyas Bethur <shreyas.bethur@ni.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
86f2c00f