staging: comedi: usbdux: tidy up usbdux_ai_cmd()

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Rename the local variable used for the private data pointer to the
comedi "norm".

Remove the unnecessary sanity check of the private data pointer. This
function can only be called is the private data was allocated during
the attach.

Tidy up the exit path using goto to ensure that the semaphore is
released.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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H Hartley Sweeten 2013-07-25 16:03:34 -07:00 • committed by Greg Kroah-Hartman

parent e5cb2f9498

commit 9a79dfce37

1 changed files with 45 additions and 48 deletions

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drivers/staging/comedi/drivers/usbdux.c

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