On Tue, Feb 26, 2019 at 05:13:56PM +0800, Li RongQing wrote: > check the result of dereferencing base_chain->stats, instead of > result of this_cpu_ptr with NULL > > base_chain->stats maybe be changed to NULL when a chain is > updated and a new NULL counter can be attached > > and we do not need to check returning of this_cpu_ptr since > base_chain->stats is from percpu allocator if it is non-NULL, > this_cpu_ptr returns a valid value > > and fix two sparse error by replacing rcu_access_pointer and > rcu_dereference with READ_ONCE under rcu_read_lock > > Thanks for Eric's help to finish this patch Applied, thanks!
