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

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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>

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This commit is contained in:

Joerg Roedel 2012-03-09 13:37:48 +01:00

parent 8704a1ba47

commit 6e930045ab

1 changed files with 1 additions and 9 deletions

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drivers/iommu/amd_iommu_init.c

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