linux-kernel - [RFC PATCH v3 19/37] bpf tools: Clear libelf and ELF parsing resrouce to finish opening

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Date:	Sun, 17 May 2015 10:56:44 +0000
From:	Wang Nan <wangnan0@...wei.com>
To:	<paulus@...ba.org>, <a.p.zijlstra@...llo.nl>, <mingo@...hat.com>,
	<acme@...nel.org>, <namhyung@...nel.org>, <jolsa@...nel.org>,
	<dsahern@...il.com>, <ast@...mgrid.com>, <daniel@...earbox.net>,
	<brendan.d.gregg@...il.com>, <masami.hiramatsu.pt@...achi.com>
CC:	<lizefan@...wei.com>, <linux-kernel@...r.kernel.org>,
	<pi3orama@....com>
Subject: [RFC PATCH v3 19/37] bpf tools: Clear libelf and ELF parsing resrouce to finish opening

After all eBPF programs in an object file are loaded, related ELF
information is useless. Close the object file and free those memory.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
---
 tools/lib/bpf/libbpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index ded96cb..9ed8cca 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -687,8 +687,8 @@ struct bpf_object *bpf_open_object(const char *path)
 	if (bpf_obj_validate(obj))
 		goto out;
 
+	bpf_obj_clear_elf(obj);
 	return obj;
-
 out:
 	bpf_close_object(obj);
 	return NULL;
-- 
1.8.3.4

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