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Remove an unnecessary test from the intel scan loop.

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This commit is contained in:
Mike Auty
2016-11-19 18:05:41 +00:00
parent 38b1c61acc
commit c9abd290ec
1 changed files with 3 additions and 6 deletions
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volatility/framework/layers/intel.py
+3 -6
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@@ -151,28 +151,25 @@ class Intel(interfaces.layers.TranslationLayerInterface):
def scan(self, context, scanner, progress_callback = None, min_address = None, max_address = None):
min_address, max_address, scanner, total_size = self._pre_scan(context, min_address, max_address,
progress_callback, scanner)
current = min_address
range_start = None
range_start = current = min_address
while current <= max_address:
progress_callback((current - min_address) / total_size)
try:
if range_start is None:
range_start = current
address, page_size = self._translate(current)
if not context.memory[self._base_layer].is_valid(address):
if current - range_start > 0:
chunk = self.read(range_start, current - range_start)
for result in scanner(chunk, range_start):
yield result
range_start = None
range_start = current + page_size
current += page_size
except exceptions.PagedInvalidAddressException as e:
if current - range_start > 0:
chunk = self.read(range_start, current - range_start)
for result in scanner(chunk, range_start):
yield result
range_start = None
current += (1 << e.invalid_bits)
range_start = current
class IntelPAE(Intel):