[Hardy, Intrepid, Jaunty LBM] SRU: Fix request_module on munged compat-wireless
Stefan Bader
stefan.bader at canonical.com
Thu Feb 26 11:09:12 UTC 2009
_NOTE_: There might be lurking similar glitches in all munged drivers!
https://bugs.launchpad.net/ubuntu/hardy/+source/linux-backports-modules-2.6.24/+bug/322434
SRU justification:
Impact: In order to have the wireless drivers from compat-wireless living
beside of the ones that come with the stock kernel (or ubuntu modules) the
mac80211 stack gets modified, so the exported symbols are unique and also the
module names for the stack get prefixed. The modification missed out some
request_module calls where the stack tries to get certain cryptographic
algorithms (wep, pkip, ...). These calls still request the modules from the
base package. However the loaded modules will not interact with the modified
stack. This results in being able to see access points but always being asked
for the passphrase.
Fix: Adapt the munging script to find and replace the requested module names.
Test: See bug report. Unable to connect to an encrypted AP with drivers from
LBM (ipw2200 in that case).
--
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