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-rw-r--r--kernel/bpf/syscall.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index e2e1c78ce1dc..30e728dcd35d 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -937,10 +937,16 @@ static void __bpf_prog_put_rcu(struct rcu_head *rcu)
937static void __bpf_prog_put(struct bpf_prog *prog, bool do_idr_lock) 937static void __bpf_prog_put(struct bpf_prog *prog, bool do_idr_lock)
938{ 938{
939 if (atomic_dec_and_test(&prog->aux->refcnt)) { 939 if (atomic_dec_and_test(&prog->aux->refcnt)) {
940 int i;
941
940 trace_bpf_prog_put_rcu(prog); 942 trace_bpf_prog_put_rcu(prog);
941 /* bpf_prog_free_id() must be called first */ 943 /* bpf_prog_free_id() must be called first */
942 bpf_prog_free_id(prog, do_idr_lock); 944 bpf_prog_free_id(prog, do_idr_lock);
945
946 for (i = 0; i < prog->aux->func_cnt; i++)
947 bpf_prog_kallsyms_del(prog->aux->func[i]);
943 bpf_prog_kallsyms_del(prog); 948 bpf_prog_kallsyms_del(prog);
949
944 call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu); 950 call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu);
945 } 951 }
946} 952}