[patch v2 0/3] tty contention resulting from tty_open_by_driver export

[Okash Khawaja <okash.khawaja@xxxxxxxxx>]

Hi,

I have reworked the previous patch set. These are the changes:

1. Patch 1 fixes tty->count mismatch reported by check_tty_count when a
tty is kopened.
2. Patch 1 incorporates patch 4 in the previous patch set - it returns
-ENODEV when tty is not configured.

Thanks,
Okash
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