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linux/net/sunrpc/auth.c
NeilBrown 122a8cda6a SUNRPC: remove all refcounting of groupinfo from rpcauth_lookupcred 
current_cred() can only be changed by 'current', and
cred->group_info is never changed.  If a new group_info is
needed, a new 'cred' is created.

Consequently it is always safe to access
   current_cred()->group_info

without taking any further references.
So drop the refcounting and the incorrect rcu_dereference().

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-08-04 09:22:08 -04:00

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