[src/trunk]: src/sys/dev/usb Remove unused variable

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0a33b703e021
branches:  trunk
changeset: 790064:0a33b703e021
user:      martin <martin%NetBSD.org@localhost>
date:      Sun Sep 15 15:47:27 2013 +0000

description:
Remove unused variable

diffstat:

 sys/dev/usb/usb_mem.c |  7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diffs (29 lines):

diff -r 878ef02cb86b -r 0a33b703e021 sys/dev/usb/usb_mem.c
--- a/sys/dev/usb/usb_mem.c     Sun Sep 15 15:46:33 2013 +0000
+++ b/sys/dev/usb/usb_mem.c     Sun Sep 15 15:47:27 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usb_mem.c,v 1.62 2013/02/05 13:39:28 christos Exp $    */
+/*     $NetBSD: usb_mem.c,v 1.63 2013/09/15 15:47:27 martin Exp $      */
 
 /*
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.62 2013/02/05 13:39:28 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.63 2013/09/15 15:47:27 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -486,9 +486,8 @@
 void
 usb_reserve_freem(struct usb_dma_reserve *rs, usb_dma_t *dma)
 {
-       int error;      /* XXX: why? */
 
-       error = extent_free(rs->extent,
+       extent_free(rs->extent,
            (u_long)(rs->paddr + dma->offs), dma->block->size, 0);
        kmem_free(dma->block->segs, dma->block->nsegs *
            sizeof(*dma->block->segs));