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another occurrence where a very large dma mapping can cause integer overflow

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Submitted by:	rlibby
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Tycho Nightingale 2019-06-05 13:08:21 +00:00
parent efdadaa2d8
commit 56db4ebd34
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=348687
1 changed files with 1 additions and 1 deletions
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2
sys/x86/iommu/busdma_dmar.c
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@ -702,7 +702,7 @@ dmar_bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmamap_t map1,
return (ENOMEM);
}
}
vm_page_initfake(&fma[i], pstart + i * PAGE_SIZE,
vm_page_initfake(&fma[i], pstart + ptoa(i),
VM_MEMATTR_DEFAULT);
ma[i] = &fma[i];
}