Mathias Krause
3110e4006c
crypto: pcrypt - Fix wrong usage of rcu_dereference() ...
A kernel with enabled lockdep complains about the wrong usage of
rcu_dereference() under a rcu_read_lock_bh() protected region.
===============================
[ INFO: suspicious RCU usage. ]
3.13.0-rc1+ #126 Not tainted
-------------------------------
linux/crypto/pcrypt.c:81 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 1
1 lock held by cryptomgr_test/153:
#0 : (rcu_read_lock_bh){.+....}, at: [<ffffffff812c8075>] pcrypt_do_parallel.isra.2+0x5/0x200
Fix that by using rcu_dereference_bh() instead.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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3110e4006c