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authorVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 15:54:01 -0500
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-11-23 15:54:01 -0500
commit4814326b59db0cfd18ac652626d955ad3f57fb0f (patch)
tree41975c6b2eea1812012802bdb2337c43fa240178 /include
parentda85b7396f3b6cb3fea7d77091498bfa1051ef7c (diff)
downloadlinux-4814326b59db0cfd18ac652626d955ad3f57fb0f.tar.gz
sctp: prevent too-fast association id reuse
We use the idr subsystem and always ask for an id
at or above 1.  This results in a id reuse when one
association is terminated while another is created.

To prevent re-use, we keep track of the last id returned
and ask for that id + 1 as a base for each query.  We let
the idr spin lock protect this base id as well.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include')
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