There is no need to initialize the variable here.

Submitted by:	Christoph Mallon christoph.mallon@gmx.de
Reviewed by:	kib (as part of a larger patch)
MFC after:	2 weeks

sys/cam/scsi/scsi_pass.c

@@ -298,8 +298,6 @@ passopen(struct cdev *dev, int flags, int fmt, struct thread *td)
 	struct pass_softc *softc;
 	int error;
 
-	error = 0; /* default to no error */
-
 	periph = (struct cam_periph *)dev->si_drv1;
 	if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 		return (ENXIO);