Added length checks for data array of INSN_CONFIG_ALT_SOURCE and

INSN_CONFIG_PWM_OUTPUT

diff --git a/comedi/comedi_fops.c b/comedi/comedi_fops.c
index 69c556d9dbcdd73e3caaa3174b876daf07895b55..33afcebd2e4222cddaa65acf5824a27e34094b31 100644 (file)
--- a/comedi/comedi_fops.c
+++ b/comedi/comedi_fops.c
@@ -520,7 +520,7 @@ static int do_bufinfo_ioctl(comedi_device *dev,void *arg)
        bi.buf_read_ptr = async->buf_read_ptr;
        if(s==dev->read_subdev){
                unsigned int n_munge_bytes;
-               
+
                n_munge_bytes = bi.buf_write_count - s->async->munge_count;
                comedi_buf_munge(dev, s, n_munge_bytes);
        }
@@ -636,8 +636,12 @@ static int check_insn_config_length(comedi_insn *insn, lsampl_t *data)
        case INSN_CONFIG_SERIAL_CLOCK:
        case INSN_CONFIG_BIDIRECTIONAL_DATA:
        case INSN_CONFIG_SET_RTSI_CLOCK_MODE:
+       case INSN_CONFIG_ALT_SOURCE:
                if( insn->n == 2 ) return 0;
                break;
+       case INSN_CONFIG_PWM_OUTPUT:
+               if(insn->n == 5) return 0;
+               break;
        //by default we allow the insn since we don't have checks for all possible cases yet
        default:
                rt_printk("comedi: no check for data length of config insn id %i implemented.  Assuming n=%i is correct.\n",