--- zzzz-none-000/linux-3.10.107/net/atm/pppoatm.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/net/atm/pppoatm.c 2021-02-04 17:41:59.000000000 +0000 @@ -252,7 +252,7 @@ * we need to ensure there's a memory barrier after it. The bit * *must* be set before we do the atomic_inc() on pvcc->inflight. * There's no smp_mb__after_set_bit(), so it's this or abuse - * smp_mb__after_clear_bit(). + * smp_mb__after_atomic(). */ test_and_set_bit(BLOCKED, &pvcc->blocked);