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

From: Alexei Starovoitov
Date: Mon May 18 2015 - 14:36:16 EST


On 5/17/15 3:56 AM, Wang Nan wrote:
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@xxxxxxxxxx>
---
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;


looks like a bug in some previous patch in the same set.
Should be squashed with that patch?

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