linux-kernel - [PATCH] tools/bpf: Remove unnecessary parameter in bpf_object__probe

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Message-ID: <HKAPR02MB42916F8599BF7B58AD73C27AE0AE0@HKAPR02MB4291.apcprd02.prod.outlook.com>
Date:   Fri, 8 Jan 2021 02:08:00 +0000
From:   彭浩(Richard) <richard.peng@...o.com>
To:     "ast@...nel.org" <ast@...nel.org>,
        "andrii@...nel.org" <andrii@...nel.org>
CC:     "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] tools/bpf: Remove unnecessary parameter in
 bpf_object__probe_loading

struct bpf_object *obj is not used in bpf_object__probe_loading, so we
can remove it.

Signed-off-by: Peng Hao <richard.peng@...o.com>
---
 tools/lib/bpf/libbpf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 313034117070..17d90779f09a 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3685,7 +3685,7 @@ int bpf_map__resize(struct bpf_map *map, __u32 max_entries)
 }

 static int
-bpf_object__probe_loading(struct bpf_object *obj)
+bpf_object__probe_loading(void)
 {
        struct bpf_load_program_attr attr;
        char *cp, errmsg[STRERR_BUFSIZE];
@@ -7258,7 +7258,7 @@ int bpf_object__load_xattr(struct bpf_object_load_attr *attr)
                return -EINVAL;
        }

-       err = bpf_object__probe_loading(obj);
+       err = bpf_object__probe_loading();
        err = err ? : bpf_object__load_vmlinux_btf(obj);
        err = err ? : bpf_object__resolve_externs(obj, obj->kconfig);
        err = err ? : bpf_object__sanitize_and_load_btf(obj);
--
2.18.4