TTY: extract driver lookup from tty_open

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The error handling in tty_open became unbearable. There were many
errors fixed recently. Extract the tty driver lookup from tty_open to
a separate function. This reduces the fail paths significantly and
makes tty_open more readable.

In the next patch we will move the fail path handling to the end of
the function.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Jiri Slaby 2011-11-09 21:33:20 +01:00 • committed by Greg Kroah-Hartman

parent b82154ac37

commit 5b5e70408f

1 changed files with 55 additions and 38 deletions

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drivers/tty/tty_io.c

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