staging: comedi: usbduxfast: chanlist check is Step 5 of (*do_cmdtest)

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The channel list should be checked in Step 5 of the (*do_cmdtest) not
as part of the (*do_cmd). Factor the check out of usbduxfast_ai_cmd().

Tidy up the factored out code. The channel number 'i' will never be
greater than NUMCHANNELS due to the subdevice setup and the checks
done in the code. The up/down of the semaphore is also not needed
because the (*do_cmdtest) never actually tries to access the hardware.

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 2015-08-24 10:13:54 -07:00 • committed by Greg Kroah-Hartman

parent a399d81d41

commit 99555fc25a

1 changed files with 34 additions and 24 deletions

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drivers/staging/comedi/drivers/usbduxfast.c

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