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libbpf: Optimize the redundant code in the bpf_object__init_user_btf_maps() function.

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In the elf_sec_data() function, the input parameter 'scn' will be
evaluated. If it is NULL, then it will directly return NULL. Therefore,
the return value of the elf_sec_data() function already takes into
account the case where the input parameter scn is NULL. Therefore,
subsequently, the code only needs to check whether the return value of
the elf_sec_data() function is NULL.

Signed-off-by: Jianyun Gao <jianyungao89@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20251024080802.642189-1-jianyungao89@gmail.com
This commit is contained in:
Jianyun Gao
2025-10-24 16:08:02 +08:00
committed by Andrii Nakryiko
parent 665ad8c7f7
commit bc3b400e06
1 changed files with 1 additions and 1 deletions
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src/libbpf.c
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@@ -2996,7 +2996,7 @@ static int bpf_object__init_user_btf_maps(struct bpf_object *obj, bool strict,
scn = elf_sec_by_idx(obj, obj->efile.btf_maps_shndx);
data = elf_sec_data(obj, scn);
if (!scn || !data) {
if (!data) {
pr_warn("elf: failed to get %s map definitions for %s\n",
MAPS_ELF_SEC, obj->path);
return -EINVAL;