diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-05-14 21:36:11 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-16 23:26:04 (GMT) |
| commit | 9a054c278d951720e8761151b6ff9d7e1948258e (patch) | |
| tree | 3d1ad2af84f33c400d0fd32acace6e8f8b7f245e /drivers/staging | |
| parent | d6caedf074afe10d585df6d8e61c7a171d91e44f (diff) | |
| download | linux-fsl-qoriq-9a054c278d951720e8761151b6ff9d7e1948258e.tar.xz | |
staging: comedi: dt9812: do not allow attaching to unsupported devices
The DT9812 is part of the ECONseries of USB Data Acquisition Modules.
This driver only supports the DT9812-10V and DT9812-2.5V versions of
the module. Do not attach to the device if an unsupported module is
detected.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/dt9812.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index e6d9191..9aab5b9 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -768,6 +768,12 @@ static int dt9812_reset_device(struct comedi_device *dev) dev_info(dev->class_dev, "USB DT9812 (%4.4x.%4.4x.%4.4x) #0x%8.8x\n", vendor, product, devpriv->device, serial); + if (devpriv->device != DT9812_DEVID_DT9812_10 && + devpriv->device != DT9812_DEVID_DT9812_2PT5) { + dev_err(dev->class_dev, "Unsupported device!\n"); + return -EINVAL; + } + return 0; } |