xfrm: add and use xfrm_state_afinfo_get_rcu
xfrm_init_tempstate is always called from within rcu read side section. We can thus use a simpler function that doesn't call rcu_read_lock again. While at it, also make xfrm_init_tempstate return value void, the return value was never tested. A followup patch will replace remaining callers of xfrm_state_get_afinfo with xfrm_state_afinfo_get_rcu variant and then remove the 'old' get_afinfo interface. Signed-off-by:Florian Westphal <fw@strlen.de> Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com>
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