Staging: Comedi adv_pci1710: Move check forward

Simplifies function logic by assuming that n_chan >1 if not <=1.
Removes one level of indentation.
Signed-off-by: Tomas Melin <tomas.melin@iki.fi>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/adv_pci1710.c

@@ -1161,7 +1161,9 @@ static int check_channel_list(struct comedi_device *dev,
 		return 0;
 	}
 
-	if (n_chan > 1) {
+	if (n_chan == 1)
+		return 1; /* seglen=1 */
+
 	chansegment[0] = chanlist[0];	/*  first channel is every time ok */
 	for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {	/*  build part of chanlist */
 		/*  printk("%d. %d %d\n",i,CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
@@ -1201,9 +1203,6 @@ static int check_channel_list(struct comedi_device *dev,
 			return 0;	/*  chan/gain list is strange */
 		}
 	}
-	} else {
-		seglen = 1;
-	}
 	return seglen;
 }