diff --git a/Documentation/device-mapper/striped.txt b/Documentation/device-mapper/striped.txt
index f34d3236b9da..953fe1d68068 100644
--- a/Documentation/device-mapper/striped.txt
+++ b/Documentation/device-mapper/striped.txt
@@ -16,8 +16,7 @@ Parameters: <num devs> <chunk size> [<dev path> <offset>]+
     <offset>: Starting sector within the device.
 
 One or more underlying devices can be specified. The striped device size must
-be a multiple of the chunk size and a multiple of the number of underlying
-devices.
+be a multiple of the chunk size multiplied by the number of underlying devices.
 
 
 Example scripts
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 183db5d3e48e..1f6316ed2b31 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -132,7 +132,6 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		return -EINVAL;
 	}
 
-	width = ti->len;
 	if (sector_div(width, stripes)) {
 		ti->error = "Target length not divisible by "
 		    "number of stripes";