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@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/dt9812.c | 6 ++++++
1 file changed, 6 insertions(+)
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;
}
--
1.8.1.4
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