staging: comedi: quatech_daqp_cs: fix possible memory dereference issue

In daqp_attach(), the first options value passed in the comedi_devconfig
is used as an index to the private dev_table[] in this driver. This table
is used to pass the pcmcia_device to the comedi_driver.

Fix the code so that the index is checked before the table is accessed
so that we don't get a possible memory dereference BUG.

Change the error returned to the comedi core from -EIO to -ENODEV.

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

0 files changed, 0 insertions, 0 deletions