From: Prarit Bhargava <prarit@redhat.com>
Date: Mon, 21 Jul 2008 14:15:22 +0000 (-0400)
Subject: x86, pci: iommu fix potential overflow in alloc_iommu()
X-Git-Tag: v2.6.28-rc1~734^2^10~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05d3ed0a1fe3ea05ab9f3b8d32576a0bc2e19660;p=pandora-kernel.git

x86, pci: iommu fix potential overflow in alloc_iommu()

It is possible that alloc_iommu()'s boundary_size overflows as
dma_get_seg_boundary can return 0xffffffff.  In that case, further usage of
boundary_size triggers a BUG_ON() in the iommu code.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed