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| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-08-05 10:44:41 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-07 15:03:27 -0700 |
| commit | 03611e5491e488f30a5b7653e02ee65032cfba14 (patch) | |
| tree | 0a1ce9b877a66f92d33a0e69ab9216d871611845 /drivers/staging/comedi/drivers/me4000.c | |
| parent | staging: comedi: me4000: only set SDF_DIFF when supported (diff) | |
| download | linux-dev-03611e5491e488f30a5b7653e02ee65032cfba14.tar.xz linux-dev-03611e5491e488f30a5b7653e02ee65032cfba14.zip | |
staging: comedi: me4000: remove 'chan' check in me4000_ai_insn_read()
The comedi core validates that the 'chan' is valid for the subdevice
before calling the (*insn_read) operation. Remove the unnecessary check.
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/me4000.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/me4000.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 171749b06ef2..d6b7adc19056 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -477,11 +477,6 @@ static int me4000_ai_insn_read(struct comedi_device *dev, switch (aref) { case AREF_GROUND: case AREF_COMMON: - if (chan >= board->ai_nchan) { - dev_err(dev->class_dev, - "Analog input is not available\n"); - return -EINVAL; - } entry |= ME4000_AI_LIST_INPUT_SINGLE_ENDED | chan; break; |