tty: n_tty: invert the condition in copy_from_read_buf()

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Make "no numbers available" a fast quit from the function. And do the
heavy work outside the 'if'. This makes the code more understandable and
conforming to the common kernel coding style.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230919085156.1578-5-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jiri Slaby (SUSE) 2023-09-19 10:51:45 +02:00 • committed by Greg Kroah-Hartman

parent 72369f2d49

commit c2b0fb9f69

1 changed files with 20 additions and 18 deletions

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drivers/tty/n_tty.c

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