From: Hou Tao <houtao1@xxxxxxxxxx>
both syscall.c and helpers.c have the declaration of
__bpf_obj_drop_impl(), so just move it to a common header file.
Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
---
kernel/bpf/helpers.c | 3 +--
kernel/bpf/internal.h | 11 +++++++++++
kernel/bpf/syscall.c | 4 ++--
3 files changed, 14 insertions(+), 4 deletions(-)
create mode 100644 kernel/bpf/internal.h
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index dd1c69ee3375..07f49f8831c0 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -24,6 +24,7 @@
#include <linux/bpf_mem_alloc.h>
#include <linux/kasan.h>
+#include "internal.h"
#include "../../lib/kstrtox.h"
/* If kernel subsystem is allowing eBPF programs to call this function,
@@ -1808,8 +1809,6 @@ bpf_base_func_proto(enum bpf_func_id func_id)
}
}
-void __bpf_obj_drop_impl(void *p, const struct btf_record *rec);
-
void bpf_list_head_free(const struct btf_field *field, void *list_head,
struct bpf_spin_lock *spin_lock)
{
diff --git a/kernel/bpf/internal.h b/kernel/bpf/internal.h
new file mode 100644
index 000000000000..e233ea83eb0a
--- /dev/null
+++ b/kernel/bpf/internal.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) 2023. Huawei Technologies Co., Ltd
+ */
+#ifndef __BPF_INTERNAL_H_
+#define __BPF_INTERNAL_H_
+
+struct btf_record;
+
+void __bpf_obj_drop_impl(void *p, const struct btf_record *rec);
+
+#endif /* __BPF_INTERNAL_H_ */
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 6b5280f14a53..7de4b9f97c8f 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -39,6 +39,8 @@
#include <net/tcx.h>
+#include "internal.h"
+
#define IS_FD_ARRAY(map) ((map)->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY || \
(map)->map_type == BPF_MAP_TYPE_CGROUP_ARRAY || \
(map)->map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS)
@@ -626,8 +628,6 @@ void bpf_obj_free_timer(const struct btf_record *rec, void *obj)
bpf_timer_cancel_and_free(obj + rec->timer_off);
}
-extern void __bpf_obj_drop_impl(void *p, const struct btf_record *rec);
-
void bpf_obj_free_fields(const struct btf_record *rec, void *obj)
{
const struct btf_field *fields;
--
2.29.2
