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Fix bug involving small, non-contiguous dma segments. 

From Manuel Bouyer.
This commit is contained in:
eeh 2001-08-06 22:02:58 +00:00
parent 9bc2e4cc45
commit 4b569fc269
1 changed files with 2 additions and 2 deletions
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4
sys/arch/sparc64/dev/iommu.c
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@ -1,4 +1,4 @@
/* $NetBSD: iommu.c,v 1.36 2001/07/20 00:07:13 eeh Exp $ */
/* $NetBSD: iommu.c,v 1.37 2001/08/06 22:02:58 eeh Exp $ */
/*
* Copyright (c) 1999, 2000 Matthew R. Green
@ -650,9 +650,9 @@ iommu_dvmamap_load_raw(t, is, map, segs, nsegs, flags, size)
pa = segs[0].ds_addr;
sgsize = 0;
for (i=0; i<nsegs; i++) {
sgsize += segs[i].ds_len;
if (round_page(pa) != round_page(segs[i].ds_addr))
sgsize = round_page(sgsize);
sgsize += segs[i].ds_len;
pa = segs[i].ds_addr + segs[i].ds_len;
}
sgsize = round_page(sgsize);