diff options
| author | John Fastabend <john.fastabend@gmail.com> | 2017-08-15 22:32:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-16 11:27:53 -0700 |
| commit | a6f6df69c48b86cd84f36c70593eb4968fceb34a (patch) | |
| tree | e3398ed0f8b5fd29235dd09824df666c933d25e5 | |
| parent | b005fd189cec9407b700599e1e80e0552446ee79 (diff) | |
bpf: export bpf_prog_inc_not_zero
bpf_prog_inc_not_zero will be used by upcoming sockmap patches this
patch simply exports it so we can pull it in.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/bpf.h | 7 | ||||
| -rw-r--r-- | kernel/bpf/syscall.c | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 39229c455cba..d6e1de8ce0fc 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -252,6 +252,7 @@ struct bpf_prog *bpf_prog_get_type(u32 ufd, enum bpf_prog_type type); struct bpf_prog * __must_check bpf_prog_add(struct bpf_prog *prog, int i); void bpf_prog_sub(struct bpf_prog *prog, int i); struct bpf_prog * __must_check bpf_prog_inc(struct bpf_prog *prog); +struct bpf_prog * __must_check bpf_prog_inc_not_zero(struct bpf_prog *prog); void bpf_prog_put(struct bpf_prog *prog); int __bpf_prog_charge(struct user_struct *user, u32 pages); void __bpf_prog_uncharge(struct user_struct *user, u32 pages); @@ -344,6 +345,12 @@ static inline struct bpf_prog * __must_check bpf_prog_inc(struct bpf_prog *prog) return ERR_PTR(-EOPNOTSUPP); } +static inline struct bpf_prog *__must_check +bpf_prog_inc_not_zero(struct bpf_prog *prog) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static inline int __bpf_prog_charge(struct user_struct *user, u32 pages) { return 0; diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index fbe09a0cccf4..17e29f596de1 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -911,7 +911,7 @@ struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog) EXPORT_SYMBOL_GPL(bpf_prog_inc); /* prog_idr_lock should have been held */ -static struct bpf_prog *bpf_prog_inc_not_zero(struct bpf_prog *prog) +struct bpf_prog *bpf_prog_inc_not_zero(struct bpf_prog *prog) { int refold; @@ -927,6 +927,7 @@ static struct bpf_prog *bpf_prog_inc_not_zero(struct bpf_prog *prog) return prog; } +EXPORT_SYMBOL_GPL(bpf_prog_inc_not_zero); static struct bpf_prog *__bpf_prog_get(u32 ufd, enum bpf_prog_type *type) { |