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-rw-r--r--kernel/bpf/syscall.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 3fff82ca68fa..d7783cb04d86 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)
513 free_uid(user); 513 free_uid(user);
514} 514}
515 515
516static void __prog_put_rcu(struct rcu_head *rcu) 516static void __prog_put_common(struct rcu_head *rcu)
517{ 517{
518 struct bpf_prog_aux *aux = container_of(rcu, struct bpf_prog_aux, rcu); 518 struct bpf_prog_aux *aux = container_of(rcu, struct bpf_prog_aux, rcu);
519 519
@@ -525,19 +525,14 @@ static void __prog_put_rcu(struct rcu_head *rcu)
525/* version of bpf_prog_put() that is called after a grace period */ 525/* version of bpf_prog_put() that is called after a grace period */
526void bpf_prog_put_rcu(struct bpf_prog *prog) 526void bpf_prog_put_rcu(struct bpf_prog *prog)
527{ 527{
528 if (atomic_dec_and_test(&prog->aux->refcnt)) { 528 if (atomic_dec_and_test(&prog->aux->refcnt))
529 prog->aux->prog = prog; 529 call_rcu(&prog->aux->rcu, __prog_put_common);
530 call_rcu(&prog->aux->rcu, __prog_put_rcu);
531 }
532} 530}
533 531
534void bpf_prog_put(struct bpf_prog *prog) 532void bpf_prog_put(struct bpf_prog *prog)
535{ 533{
536 if (atomic_dec_and_test(&prog->aux->refcnt)) { 534 if (atomic_dec_and_test(&prog->aux->refcnt))
537 free_used_maps(prog->aux); 535 __prog_put_common(&prog->aux->rcu);
538 bpf_prog_uncharge_memlock(prog);
539 bpf_prog_free(prog);
540 }
541} 536}
542EXPORT_SYMBOL_GPL(bpf_prog_put); 537EXPORT_SYMBOL_GPL(bpf_prog_put);
543 538