iwlwifi: mvm: fix SRAM dump debugfs handler

If the length isn't set it means we want all the SRAM.
Also - this is perfectly valid to partially dump starting
at offset 0.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2014-01-06 09:05:54 +02:00
commit 01e0efe317