This is in preparation of its use in the seccomp code.
Signed-off-by: Nicolas Schichan <nschic...@freebox.fr>
---
include/linux/filter.h | 1 +
net/core/filter.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/filter.h b/include/linux/filter.h
index caac208..7e0811b 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -379,6 +379,7 @@ static inline void bpf_prog_unlock_free(struct bpf_prog *fp)
int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog);
void bpf_prog_destroy(struct bpf_prog *fp);
+struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp);
int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_attach_bpf(u32 ufd, struct sock *sk);
diff --git a/net/core/filter.c b/net/core/filter.c
index f6bdc2b..b8ce66e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -876,7 +876,7 @@ bool sk_filter_charge(struct sock *sk, struct sk_filter *fp)
return false;
}
-static struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp)
+struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp)
{
struct sock_filter *old_prog;
struct bpf_prog *old_fp;
--
1.9.1
--
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