diff options
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 3fff82c..d7783cb 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -513,7 +513,7 @@ static void bpf_prog_uncharge_memlock(struct bpf_prog *prog) free_uid(user); } -static void __prog_put_rcu(struct rcu_head *rcu) +static void __prog_put_common(struct rcu_head *rcu) { struct bpf_prog_aux *aux = container_of(rcu, struct bpf_prog_aux, rcu); @@ -525,19 +525,14 @@ static void __prog_put_rcu(struct rcu_head *rcu) /* version of bpf_prog_put() that is called after a grace period */ void bpf_prog_put_rcu(struct bpf_prog *prog) { - if (atomic_dec_and_test(&prog->aux->refcnt)) { - prog->aux->prog = prog; - call_rcu(&prog->aux->rcu, __prog_put_rcu); - } + if (atomic_dec_and_test(&prog->aux->refcnt)) + call_rcu(&prog->aux->rcu, __prog_put_common); } void bpf_prog_put(struct bpf_prog *prog) { - if (atomic_dec_and_test(&prog->aux->refcnt)) { - free_used_maps(prog->aux); - bpf_prog_uncharge_memlock(prog); - bpf_prog_free(prog); - } + if (atomic_dec_and_test(&prog->aux->refcnt)) + __prog_put_common(&prog->aux->rcu); } EXPORT_SYMBOL_GPL(bpf_prog_put); |