John W. Linville wrote:
Jeff,
Here is my ugly patch to fix userland ABI compatibility for WE-21.
It tries to detect WE <= 20 by the request length or the inclusion of
'\0' in the length for the ESSID and NICKN ioctls. If it finds that,
it temporarily adjusts the length value and puts it back before
reporting back to userland.
It is possible that there are more elegant solutions that work, but
I'm not totally convinced that they truly preserve the ABI as desired.
Please see the discussion earlier in this thread if you are interested.
I'm aware that checking for '\0' is problematic, since that technically
is a valid SSID character even at the end of the SSID. I'm afraid
we will just have to live with that limitation.
I have the single patch on its own "clean" branch from Linus's tree of
a few days ago. That way you can pull just this fix without concern
about picking-up the other fixes which I posted a few days ago,
in case you haven't reviewed them yet.
Obviously, this is intended for 2.6.19.
Thanks,
John
---
The following changes since commit 51018b0a3160d253283173c2f54f16746cee5852:
Ulrich Drepper:
make UML compile (FC6/x86-64)
are found in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/wireless-2.6.git we21-fix
pulled, after adding "git/linville/" to the URL...
Jeff
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