Joerg Roedel 0de66d5b35 x86/amd-iommu: Fix 3 possible endless loops
The driver contains several loops counting on an u16 value
where the exit-condition is checked against variables that
can have values up to 0xffff. In this case the loops will
never exit. This patch fixed 3 such loops.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2011-06-06 16:10:15 +02:00
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