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assign nsegs before allocation

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This commit is contained in:
christos 2013-02-05 00:41:51 +00:00
parent 63e2172bde
commit 8da956dc0e
1 changed files with 3 additions and 3 deletions
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6
sys/dev/usb/usb_mem.c
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@ -1,4 +1,4 @@
/* $NetBSD: usb_mem.c,v 1.60 2013/02/05 00:39:58 christos Exp $ */
/* $NetBSD: usb_mem.c,v 1.61 2013/02/05 00:41:51 christos Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.60 2013/02/05 00:39:58 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.61 2013/02/05 00:41:51 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -442,6 +442,7 @@ usb_reserve_allocm(struct usb_dma_reserve *rs, usb_dma_t *dma, u_int32_t size)
if (dma->block == NULL)
return USBD_NOMEM;
dma->block->nsegs = 1;
dma->block->segs = kmem_alloc(dma->block->nsegs *
sizeof(*dma->block->segs), KM_SLEEP);
if (dma->block->segs == NULL) {
@ -464,7 +465,6 @@ usb_reserve_allocm(struct usb_dma_reserve *rs, usb_dma_t *dma, u_int32_t size)
dma->block->flags = USB_DMA_RESERVE;
dma->block->align = PAGE_SIZE;
dma->block->size = size;
dma->block->nsegs = 1;
dma->block->segs[0] = rs->map->dm_segs[0];
dma->block->map = rs->map;
dma->block->kaddr = rs->vaddr;