From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 9 Mar 2012 12:37:48 +0000 (+0100)
Subject: iommu/amd: Fix double free of mem-region in error-path
X-Git-Tag: v3.4-rc1~112^2^3~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e930045abe51013ee3b47eaeb5aef4bc5a35218;p=pandora-kernel.git

iommu/amd: Fix double free of mem-region in error-path

When ioremap_nocache fails in iommu initialization the code
calls release_mem_region immediatly. But the function is
called again when the propagates into the upper init
functions leading to a double-free. Fix that.

Reported-by: Don Dutile <ddutile@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

Reading git-diff-tree failed