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(parent: 1d61e73) | patch
x86/amd-iommu: Fix crash when request_mem_region fails
authorJoerg Roedel <joerg.roedel@amd.com>
Fri, 28 May 2010 12:26:48 +0000 (14:26 +0200)
committerJoerg Roedel <joerg.roedel@amd.com>
Tue, 1 Jun 2010 08:03:08 +0000 (10:03 +0200)
commite82752d8b5a7e0a5e4d607fd8713549e2a4e2741
tree4bc5c676e46c26083e46b77907fe7d588831f4f5tree | snapshot
parent1d61e73ab4c7470833241af888939a7aab2b0354commit | diff
x86/amd-iommu: Fix crash when request_mem_region fails

When request_mem_region fails the error path tries to
disable the IOMMUs. This accesses the mmio-region which was
not allocated leading to a kernel crash. This patch fixes
the issue.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
arch/x86/kernel/amd_iommu_init.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git